81451648

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 172094400

約数和(自身を除く): 90642752

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 73, 92, 128, 146, 184, 292, 368, 379, 584, 736, 758, 1168, 1472, 1516, 1679, 2336, 2944, 3032, 3358, 4672, 6064, 6716, 8717, 9344, 12128, 13432, 17434, 24256, 26864, 27667, 34868, 48512, 53728, 55334, 69736, 107456, 110668, 139472, 214912, 221336, 278944, 442672, 557888, 636341, 885344, 1115776, 1272682, 1770688, 2545364, 3541376, 5090728, 10181456, 20362912, 40725824, 81451648]

約数ペア:

[(1, 81451648), (2, 40725824), (4, 20362912), (8, 10181456), (16, 5090728), (23, 3541376), (32, 2545364), (46, 1770688), (64, 1272682), (73, 1115776), (92, 885344), (128, 636341), (146, 557888), (184, 442672), (292, 278944), (368, 221336), (379, 214912), (584, 139472), (736, 110668), (758, 107456), (1168, 69736), (1472, 55334), (1516, 53728), (1679, 48512), (2336, 34868), (2944, 27667), (3032, 26864), (3358, 24256), (4672, 17434), (6064, 13432), (6716, 12128), (8717, 9344)]