131991366

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:111

約数の個数: 128

約数和(自身を含む): 329011200

約数和(自身を除く): 197019834

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 31, 34, 38, 39, 51, 57, 62, 78, 93, 102, 114, 169, 186, 221, 247, 323, 338, 403, 442, 494, 507, 527, 589, 646, 663, 741, 806, 969, 1014, 1054, 1178, 1209, 1326, 1482, 1581, 1767, 1938, 2197, 2418, 2873, 3162, 3211, 3534, 4199, 4394, 5239, 5746, 6422, 6591, 6851, 7657, 8398, 8619, 9633, 10013, 10478, 12597, 13182, 13702, 15314, 15717, 17238, 19266, 20026, 20553, 22971, 25194, 30039, 31434, 37349, 41106, 41743, 45942, 54587, 60078, 68107, 74698, 83486, 89063, 99541, 109174, 112047, 125229, 130169, 136214, 163761, 178126, 199082, 204321, 224094, 250458, 260338, 267189, 298623, 327522, 390507, 408642, 534378, 597246, 709631, 781014, 1157819, 1294033, 1419262, 1692197, 2128893, 2315638, 2588066, 3384394, 3473457, 3882099, 4257786, 5076591, 6946914, 7764198, 10153182, 21998561, 43997122, 65995683, 131991366]

約数ペア:

[(1, 131991366), (2, 65995683), (3, 43997122), (6, 21998561), (13, 10153182), (17, 7764198), (19, 6946914), (26, 5076591), (31, 4257786), (34, 3882099), (38, 3473457), (39, 3384394), (51, 2588066), (57, 2315638), (62, 2128893), (78, 1692197), (93, 1419262), (102, 1294033), (114, 1157819), (169, 781014), (186, 709631), (221, 597246), (247, 534378), (323, 408642), (338, 390507), (403, 327522), (442, 298623), (494, 267189), (507, 260338), (527, 250458), (589, 224094), (646, 204321), (663, 199082), (741, 178126), (806, 163761), (969, 136214), (1014, 130169), (1054, 125229), (1178, 112047), (1209, 109174), (1326, 99541), (1482, 89063), (1581, 83486), (1767, 74698), (1938, 68107), (2197, 60078), (2418, 54587), (2873, 45942), (3162, 41743), (3211, 41106), (3534, 37349), (4199, 31434), (4394, 30039), (5239, 25194), (5746, 22971), (6422, 20553), (6591, 20026), (6851, 19266), (7657, 17238), (8398, 15717), (8619, 15314), (9633, 13702), (10013, 13182), (10478, 12597)]