1290400544

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{31727}}^1$

素因数の和:31809

約数の個数: 48

約数和(自身を含む): 2686473216

約数和(自身を除く): 1396072672

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 82, 124, 164, 248, 328, 496, 656, 992, 1271, 1312, 2542, 5084, 10168, 20336, 31727, 40672, 63454, 126908, 253816, 507632, 983537, 1015264, 1300807, 1967074, 2601614, 3934148, 5203228, 7868296, 10406456, 15736592, 20812912, 31473184, 40325017, 41625824, 80650034, 161300068, 322600136, 645200272, 1290400544]

約数ペア:

[(1, 1290400544), (2, 645200272), (4, 322600136), (8, 161300068), (16, 80650034), (31, 41625824), (32, 40325017), (41, 31473184), (62, 20812912), (82, 15736592), (124, 10406456), (164, 7868296), (248, 5203228), (328, 3934148), (496, 2601614), (656, 1967074), (992, 1300807), (1271, 1015264), (1312, 983537), (2542, 507632), (5084, 253816), (10168, 126908), (20336, 63454), (31727, 40672)]