8400652

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 54

約数和(自身を含む): 17303748

約数和(自身を除く): 8903096

約数列:

[1, 2, 4, 13, 17, 26, 34, 43, 52, 68, 86, 169, 172, 221, 289, 338, 442, 559, 578, 676, 731, 884, 1118, 1156, 1462, 2236, 2873, 2924, 3757, 5746, 7267, 7514, 9503, 11492, 12427, 14534, 15028, 19006, 24854, 29068, 38012, 48841, 49708, 97682, 123539, 161551, 195364, 247078, 323102, 494156, 646204, 2100163, 4200326, 8400652]

約数ペア:

[(1, 8400652), (2, 4200326), (4, 2100163), (13, 646204), (17, 494156), (26, 323102), (34, 247078), (43, 195364), (52, 161551), (68, 123539), (86, 97682), (169, 49708), (172, 48841), (221, 38012), (289, 29068), (338, 24854), (442, 19006), (559, 15028), (578, 14534), (676, 12427), (731, 11492), (884, 9503), (1118, 7514), (1156, 7267), (1462, 5746), (2236, 3757), (2873, 2924)]