663905450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{3797}}^1$

素因数の和:4091

約数の個数: 48

約数和(自身を含む): 1335148920

約数和(自身を除く): 671243470

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 269, 325, 538, 650, 1345, 2690, 3497, 3797, 6725, 6994, 7594, 13450, 17485, 18985, 34970, 37970, 49361, 87425, 94925, 98722, 174850, 189850, 246805, 493610, 1021393, 1234025, 2042786, 2468050, 5106965, 10213930, 13278109, 25534825, 26556218, 51069650, 66390545, 132781090, 331952725, 663905450]

約数ペア:

[(1, 663905450), (2, 331952725), (5, 132781090), (10, 66390545), (13, 51069650), (25, 26556218), (26, 25534825), (50, 13278109), (65, 10213930), (130, 5106965), (269, 2468050), (325, 2042786), (538, 1234025), (650, 1021393), (1345, 493610), (2690, 246805), (3497, 189850), (3797, 174850), (6725, 98722), (6994, 94925), (7594, 87425), (13450, 49361), (17485, 37970), (18985, 34970)]