87801014

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4649}}^1$

素因数の和:4748

約数の個数: 32

約数和(自身を含む): 160704000

約数和(自身を除く): 72902986

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 4649, 9298, 9443, 18886, 32543, 65086, 88331, 176662, 330079, 618317, 660158, 1236634, 2310553, 4621106, 6271501, 12543002, 43900507, 87801014]

約数ペア:

[(1, 87801014), (2, 43900507), (7, 12543002), (14, 6271501), (19, 4621106), (38, 2310553), (71, 1236634), (133, 660158), (142, 618317), (266, 330079), (497, 176662), (994, 88331), (1349, 65086), (2698, 32543), (4649, 18886), (9298, 9443)]