87855316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 168112000

約数和(自身を除く): 80256684

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 157, 199, 314, 398, 628, 703, 796, 1406, 2812, 2983, 3781, 5809, 5966, 7363, 7562, 11618, 11932, 14726, 15124, 23236, 29452, 31243, 62486, 110371, 124972, 139897, 220742, 279794, 441484, 559588, 593617, 1155991, 1187234, 2311982, 2374468, 4623964, 21963829, 43927658, 87855316]

約数ペア:

[(1, 87855316), (2, 43927658), (4, 21963829), (19, 4623964), (37, 2374468), (38, 2311982), (74, 1187234), (76, 1155991), (148, 593617), (157, 559588), (199, 441484), (314, 279794), (398, 220742), (628, 139897), (703, 124972), (796, 110371), (1406, 62486), (2812, 31243), (2983, 29452), (3781, 23236), (5809, 15124), (5966, 14726), (7363, 11932), (7562, 11618)]