15972502

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 32256000

約数和(自身を除く): 16283498

約数列:

[1, 2, 7, 13, 14, 19, 26, 31, 38, 62, 91, 133, 149, 182, 217, 247, 266, 298, 403, 434, 494, 589, 806, 1043, 1178, 1729, 1937, 2086, 2821, 2831, 3458, 3874, 4123, 4619, 5642, 5662, 7657, 8246, 9238, 13559, 15314, 19817, 27118, 32333, 36803, 39634, 53599, 60047, 64666, 73606, 87761, 107198, 120094, 175522, 257621, 420329, 515242, 614327, 840658, 1140893, 1228654, 2281786, 7986251, 15972502]

約数ペア:

[(1, 15972502), (2, 7986251), (7, 2281786), (13, 1228654), (14, 1140893), (19, 840658), (26, 614327), (31, 515242), (38, 420329), (62, 257621), (91, 175522), (133, 120094), (149, 107198), (182, 87761), (217, 73606), (247, 64666), (266, 60047), (298, 53599), (403, 39634), (434, 36803), (494, 32333), (589, 27118), (806, 19817), (1043, 15314), (1178, 13559), (1729, 9238), (1937, 8246), (2086, 7657), (2821, 5662), (2831, 5642), (3458, 4619), (3874, 4123)]