81776512

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 173024640

約数和(自身を除く): 91248128

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 128, 148, 248, 296, 496, 557, 592, 992, 1114, 1147, 1184, 1984, 2228, 2294, 2368, 3968, 4456, 4588, 4736, 8912, 9176, 17267, 17824, 18352, 20609, 34534, 35648, 36704, 41218, 69068, 71296, 73408, 82436, 138136, 146816, 164872, 276272, 329744, 552544, 638879, 659488, 1105088, 1277758, 1318976, 2210176, 2555516, 2637952, 5111032, 10222064, 20444128, 40888256, 81776512]

約数ペア:

[(1, 81776512), (2, 40888256), (4, 20444128), (8, 10222064), (16, 5111032), (31, 2637952), (32, 2555516), (37, 2210176), (62, 1318976), (64, 1277758), (74, 1105088), (124, 659488), (128, 638879), (148, 552544), (248, 329744), (296, 276272), (496, 164872), (557, 146816), (592, 138136), (992, 82436), (1114, 73408), (1147, 71296), (1184, 69068), (1984, 41218), (2228, 36704), (2294, 35648), (2368, 34534), (3968, 20609), (4456, 18352), (4588, 17824), (4736, 17267), (8912, 9176)]