31084990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 57451680

約数和(自身を除く): 26366690

約数列:

[1, 2, 5, 10, 61, 122, 131, 262, 305, 389, 610, 655, 778, 1310, 1945, 3890, 7991, 15982, 23729, 39955, 47458, 50959, 79910, 101918, 118645, 237290, 254795, 509590, 3108499, 6216998, 15542495, 31084990]

約数ペア:

[(1, 31084990), (2, 15542495), (5, 6216998), (10, 3108499), (61, 509590), (122, 254795), (131, 237290), (262, 118645), (305, 101918), (389, 79910), (610, 50959), (655, 47458), (778, 39955), (1310, 23729), (1945, 15982), (3890, 7991)]