218214828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 144

約数和(自身を含む): 623750400

約数和(自身を除く): 405535572

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 89, 93, 117, 124, 156, 169, 178, 186, 234, 267, 279, 338, 356, 372, 403, 468, 507, 534, 558, 676, 801, 806, 1014, 1068, 1116, 1157, 1209, 1521, 1602, 1612, 2028, 2197, 2314, 2418, 2759, 3042, 3204, 3471, 3627, 4394, 4628, 4836, 5239, 5518, 6084, 6591, 6942, 7254, 8277, 8788, 10413, 10478, 11036, 13182, 13884, 14508, 15041, 15717, 16554, 19773, 20826, 20956, 24831, 26364, 30082, 31434, 33108, 35867, 39546, 41652, 45123, 47151, 49662, 60164, 62868, 68107, 71734, 79092, 90246, 94302, 99324, 107601, 135369, 136214, 143468, 180492, 188604, 195533, 204321, 215202, 270738, 272428, 322803, 391066, 408642, 430404, 466271, 541476, 586599, 612963, 645606, 782132, 817284, 932542, 1173198, 1225926, 1291212, 1398813, 1759797, 1865084, 2346396, 2451852, 2797626, 3519594, 4196439, 5595252, 6061523, 7039188, 8392878, 12123046, 16785756, 18184569, 24246092, 36369138, 54553707, 72738276, 109107414, 218214828]

約数ペア:

[(1, 218214828), (2, 109107414), (3, 72738276), (4, 54553707), (6, 36369138), (9, 24246092), (12, 18184569), (13, 16785756), (18, 12123046), (26, 8392878), (31, 7039188), (36, 6061523), (39, 5595252), (52, 4196439), (62, 3519594), (78, 2797626), (89, 2451852), (93, 2346396), (117, 1865084), (124, 1759797), (156, 1398813), (169, 1291212), (178, 1225926), (186, 1173198), (234, 932542), (267, 817284), (279, 782132), (338, 645606), (356, 612963), (372, 586599), (403, 541476), (468, 466271), (507, 430404), (534, 408642), (558, 391066), (676, 322803), (801, 272428), (806, 270738), (1014, 215202), (1068, 204321), (1116, 195533), (1157, 188604), (1209, 180492), (1521, 143468), (1602, 136214), (1612, 135369), (2028, 107601), (2197, 99324), (2314, 94302), (2418, 90246), (2759, 79092), (3042, 71734), (3204, 68107), (3471, 62868), (3627, 60164), (4394, 49662), (4628, 47151), (4836, 45123), (5239, 41652), (5518, 39546), (6084, 35867), (6591, 33108), (6942, 31434), (7254, 30082), (8277, 26364), (8788, 24831), (10413, 20956), (10478, 20826), (11036, 19773), (13182, 16554), (13884, 15717), (14508, 15041)]