30988888

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^2\times {\mathrm{197}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 68024880

約数和(自身を除く): 37035992

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 197, 212, 371, 394, 424, 742, 788, 1379, 1484, 1576, 2758, 2809, 2968, 5516, 5618, 10441, 11032, 11236, 19663, 20882, 22472, 39326, 41764, 73087, 78652, 83528, 146174, 157304, 292348, 553373, 584696, 1106746, 2213492, 3873611, 4426984, 7747222, 15494444, 30988888]

約数ペア:

[(1, 30988888), (2, 15494444), (4, 7747222), (7, 4426984), (8, 3873611), (14, 2213492), (28, 1106746), (53, 584696), (56, 553373), (106, 292348), (197, 157304), (212, 146174), (371, 83528), (394, 78652), (424, 73087), (742, 41764), (788, 39326), (1379, 22472), (1484, 20882), (1576, 19663), (2758, 11236), (2809, 11032), (2968, 10441), (5516, 5618)]