81942848

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:835

約数の個数: 56

約数和(自身を含む): 176555400

約数和(自身を除く): 94612552

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 149, 208, 298, 416, 596, 661, 832, 1192, 1322, 1937, 2384, 2644, 3874, 4768, 5288, 7748, 8593, 9536, 10576, 15496, 17186, 21152, 30992, 34372, 42304, 61984, 68744, 98489, 123968, 137488, 196978, 274976, 393956, 549952, 787912, 1280357, 1575824, 2560714, 3151648, 5121428, 6303296, 10242856, 20485712, 40971424, 81942848]

約数ペア:

[(1, 81942848), (2, 40971424), (4, 20485712), (8, 10242856), (13, 6303296), (16, 5121428), (26, 3151648), (32, 2560714), (52, 1575824), (64, 1280357), (104, 787912), (149, 549952), (208, 393956), (298, 274976), (416, 196978), (596, 137488), (661, 123968), (832, 98489), (1192, 68744), (1322, 61984), (1937, 42304), (2384, 34372), (2644, 30992), (3874, 21152), (4768, 17186), (5288, 15496), (7748, 10576), (8593, 9536)]