989146678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 1698859008

約数和(自身を除く): 709712330

約数列:

[1, 2, 13, 26, 37, 47, 74, 94, 131, 167, 262, 334, 481, 611, 962, 1222, 1703, 1739, 2171, 3406, 3478, 4342, 4847, 6157, 6179, 7849, 9694, 12314, 12358, 15698, 21877, 22607, 43754, 45214, 63011, 80041, 80327, 102037, 126022, 160082, 160654, 204074, 227809, 284401, 290413, 455618, 568802, 580826, 809449, 1028219, 1618898, 2056438, 2961517, 3775369, 5923034, 7550738, 10522837, 13366847, 21045674, 26733694, 38044103, 76088206, 494573339, 989146678]

約数ペア:

[(1, 989146678), (2, 494573339), (13, 76088206), (26, 38044103), (37, 26733694), (47, 21045674), (74, 13366847), (94, 10522837), (131, 7550738), (167, 5923034), (262, 3775369), (334, 2961517), (481, 2056438), (611, 1618898), (962, 1028219), (1222, 809449), (1703, 580826), (1739, 568802), (2171, 455618), (3406, 290413), (3478, 284401), (4342, 227809), (4847, 204074), (6157, 160654), (6179, 160082), (7849, 126022), (9694, 102037), (12314, 80327), (12358, 80041), (15698, 63011), (21877, 45214), (22607, 43754)]