28041608

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 36239992

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 203, 217, 232, 248, 406, 434, 557, 812, 868, 899, 1114, 1624, 1736, 1798, 2228, 3596, 3899, 4456, 6293, 7192, 7798, 12586, 15596, 16153, 17267, 25172, 31192, 32306, 34534, 50344, 64612, 69068, 113071, 120869, 129224, 138136, 226142, 241738, 452284, 483476, 500743, 904568, 966952, 1001486, 2002972, 3505201, 4005944, 7010402, 14020804, 28041608]

約数ペア:

[(1, 28041608), (2, 14020804), (4, 7010402), (7, 4005944), (8, 3505201), (14, 2002972), (28, 1001486), (29, 966952), (31, 904568), (56, 500743), (58, 483476), (62, 452284), (116, 241738), (124, 226142), (203, 138136), (217, 129224), (232, 120869), (248, 113071), (406, 69068), (434, 64612), (557, 50344), (812, 34534), (868, 32306), (899, 31192), (1114, 25172), (1624, 17267), (1736, 16153), (1798, 15596), (2228, 12586), (3596, 7798), (3899, 7192), (4456, 6293)]