128475368

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 282078720

約数和(自身を除く): 153603352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 131, 166, 211, 262, 332, 422, 524, 581, 664, 844, 917, 1048, 1162, 1477, 1688, 1834, 2324, 2954, 3668, 4648, 5908, 7336, 10873, 11816, 17513, 21746, 27641, 35026, 43492, 55282, 70052, 76111, 86984, 110564, 122591, 140104, 152222, 193487, 221128, 245182, 304444, 386974, 490364, 608888, 773948, 980728, 1547896, 2294203, 4588406, 9176812, 16059421, 18353624, 32118842, 64237684, 128475368]

約数ペア:

[(1, 128475368), (2, 64237684), (4, 32118842), (7, 18353624), (8, 16059421), (14, 9176812), (28, 4588406), (56, 2294203), (83, 1547896), (131, 980728), (166, 773948), (211, 608888), (262, 490364), (332, 386974), (422, 304444), (524, 245182), (581, 221128), (664, 193487), (844, 152222), (917, 140104), (1048, 122591), (1162, 110564), (1477, 86984), (1688, 76111), (1834, 70052), (2324, 55282), (2954, 43492), (3668, 35026), (4648, 27641), (5908, 21746), (7336, 17513), (10873, 11816)]