12915468

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 34384896

約数和(自身を除く): 21469428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 71, 93, 124, 142, 163, 186, 213, 279, 284, 326, 372, 426, 489, 558, 639, 652, 852, 978, 1116, 1278, 1467, 1956, 2201, 2556, 2934, 4402, 5053, 5868, 6603, 8804, 10106, 11573, 13206, 15159, 19809, 20212, 23146, 26412, 30318, 34719, 39618, 45477, 46292, 60636, 69438, 79236, 90954, 104157, 138876, 181908, 208314, 358763, 416628, 717526, 1076289, 1435052, 2152578, 3228867, 4305156, 6457734, 12915468]

約数ペア:

[(1, 12915468), (2, 6457734), (3, 4305156), (4, 3228867), (6, 2152578), (9, 1435052), (12, 1076289), (18, 717526), (31, 416628), (36, 358763), (62, 208314), (71, 181908), (93, 138876), (124, 104157), (142, 90954), (163, 79236), (186, 69438), (213, 60636), (279, 46292), (284, 45477), (326, 39618), (372, 34719), (426, 30318), (489, 26412), (558, 23146), (639, 20212), (652, 19809), (852, 15159), (978, 13206), (1116, 11573), (1278, 10106), (1467, 8804), (1956, 6603), (2201, 5868), (2556, 5053), (2934, 4402)]