642286148

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{1093}}^1$

素因数の和:1812

約数の個数: 48

約数和(自身を含む): 1329183744

約数和(自身を除く): 686897596

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 677, 868, 1093, 1354, 2186, 2708, 4372, 4739, 7651, 9478, 15302, 18956, 20987, 30604, 33883, 41974, 67766, 83948, 135532, 146909, 237181, 293818, 474362, 587636, 739961, 948724, 1479922, 2959844, 5179727, 10359454, 20718908, 22938791, 45877582, 91755164, 160571537, 321143074, 642286148]

約数ペア:

[(1, 642286148), (2, 321143074), (4, 160571537), (7, 91755164), (14, 45877582), (28, 22938791), (31, 20718908), (62, 10359454), (124, 5179727), (217, 2959844), (434, 1479922), (677, 948724), (868, 739961), (1093, 587636), (1354, 474362), (2186, 293818), (2708, 237181), (4372, 146909), (4739, 135532), (7651, 83948), (9478, 67766), (15302, 41974), (18956, 33883), (20987, 30604)]