31918894

素因数分解:

$2^1\times 7^4\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:87

約数の個数: 60

約数和(自身を含む): 61913304

約数和(自身を除く): 29994410

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 49, 98, 119, 161, 238, 289, 322, 343, 391, 578, 686, 782, 833, 1127, 1666, 2023, 2254, 2401, 2737, 4046, 4802, 5474, 5831, 6647, 7889, 11662, 13294, 14161, 15778, 19159, 28322, 38318, 40817, 46529, 55223, 81634, 93058, 99127, 110446, 134113, 198254, 268226, 325703, 651406, 693889, 938791, 1387778, 1877582, 2279921, 4559842, 15959447, 31918894]

約数ペア:

[(1, 31918894), (2, 15959447), (7, 4559842), (14, 2279921), (17, 1877582), (23, 1387778), (34, 938791), (46, 693889), (49, 651406), (98, 325703), (119, 268226), (161, 198254), (238, 134113), (289, 110446), (322, 99127), (343, 93058), (391, 81634), (578, 55223), (686, 46529), (782, 40817), (833, 38318), (1127, 28322), (1666, 19159), (2023, 15778), (2254, 14161), (2401, 13294), (2737, 11662), (4046, 7889), (4802, 6647), (5474, 5831)]