81404512

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:684

約数の個数: 96

約数和(自身を含む): 199342080

約数和(自身を除く): 117937568

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 76, 112, 124, 133, 152, 217, 224, 248, 266, 304, 434, 496, 532, 589, 608, 617, 868, 992, 1064, 1178, 1234, 1736, 2128, 2356, 2468, 3472, 4123, 4256, 4319, 4712, 4936, 6944, 8246, 8638, 9424, 9872, 11723, 16492, 17276, 18848, 19127, 19744, 23446, 32984, 34552, 38254, 46892, 65968, 69104, 76508, 82061, 93784, 131936, 133889, 138208, 153016, 164122, 187568, 267778, 306032, 328244, 363413, 375136, 535556, 612064, 656488, 726826, 1071112, 1312976, 1453652, 2142224, 2543891, 2625952, 2907304, 4284448, 5087782, 5814608, 10175564, 11629216, 20351128, 40702256, 81404512]

約数ペア:

[(1, 81404512), (2, 40702256), (4, 20351128), (7, 11629216), (8, 10175564), (14, 5814608), (16, 5087782), (19, 4284448), (28, 2907304), (31, 2625952), (32, 2543891), (38, 2142224), (56, 1453652), (62, 1312976), (76, 1071112), (112, 726826), (124, 656488), (133, 612064), (152, 535556), (217, 375136), (224, 363413), (248, 328244), (266, 306032), (304, 267778), (434, 187568), (496, 164122), (532, 153016), (589, 138208), (608, 133889), (617, 131936), (868, 93784), (992, 82061), (1064, 76508), (1178, 69104), (1234, 65968), (1736, 46892), (2128, 38254), (2356, 34552), (2468, 32984), (3472, 23446), (4123, 19744), (4256, 19127), (4319, 18848), (4712, 17276), (4936, 16492), (6944, 11723), (8246, 9872), (8638, 9424)]