820867476

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1262

約数の個数: 144

約数和(自身を含む): 2337527808

約数和(自身を除く): 1516660332

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 31, 33, 39, 44, 52, 62, 66, 78, 93, 124, 132, 143, 156, 169, 186, 286, 338, 341, 372, 403, 429, 507, 572, 676, 682, 806, 858, 1014, 1023, 1187, 1209, 1364, 1612, 1716, 1859, 2028, 2046, 2374, 2418, 3561, 3718, 4092, 4433, 4748, 4836, 5239, 5577, 7122, 7436, 8866, 10478, 11154, 13057, 13299, 14244, 15431, 15717, 17732, 20956, 22308, 26114, 26598, 30862, 31434, 36797, 39171, 46293, 52228, 53196, 57629, 61724, 62868, 73594, 78342, 92586, 110391, 115258, 147188, 156684, 169741, 172887, 185172, 200603, 220782, 230516, 339482, 345774, 401206, 404767, 441564, 478361, 509223, 601809, 678964, 691548, 802412, 809534, 956722, 1018446, 1203618, 1214301, 1435083, 1619068, 1913444, 2036892, 2206633, 2407236, 2428602, 2870166, 4413266, 4857204, 5261971, 5740332, 6218693, 6619899, 8826532, 10523942, 12437386, 13239798, 15785913, 18656079, 21047884, 24874772, 26479596, 31571826, 37312158, 63143652, 68405623, 74624316, 136811246, 205216869, 273622492, 410433738, 820867476]

約数ペア:

[(1, 820867476), (2, 410433738), (3, 273622492), (4, 205216869), (6, 136811246), (11, 74624316), (12, 68405623), (13, 63143652), (22, 37312158), (26, 31571826), (31, 26479596), (33, 24874772), (39, 21047884), (44, 18656079), (52, 15785913), (62, 13239798), (66, 12437386), (78, 10523942), (93, 8826532), (124, 6619899), (132, 6218693), (143, 5740332), (156, 5261971), (169, 4857204), (186, 4413266), (286, 2870166), (338, 2428602), (341, 2407236), (372, 2206633), (403, 2036892), (429, 1913444), (507, 1619068), (572, 1435083), (676, 1214301), (682, 1203618), (806, 1018446), (858, 956722), (1014, 809534), (1023, 802412), (1187, 691548), (1209, 678964), (1364, 601809), (1612, 509223), (1716, 478361), (1859, 441564), (2028, 404767), (2046, 401206), (2374, 345774), (2418, 339482), (3561, 230516), (3718, 220782), (4092, 200603), (4433, 185172), (4748, 172887), (4836, 169741), (5239, 156684), (5577, 147188), (7122, 115258), (7436, 110391), (8866, 92586), (10478, 78342), (11154, 73594), (13057, 62868), (13299, 61724), (14244, 57629), (15431, 53196), (15717, 52228), (17732, 46293), (20956, 39171), (22308, 36797), (26114, 31434), (26598, 30862)]