72218990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1901}}^1$

素因数の和:2068

約数の個数: 32

約数和(自身を含む): 135574560

約数和(自身を除く): 63355570

約数列:

[1, 2, 5, 10, 29, 58, 131, 145, 262, 290, 655, 1310, 1901, 3799, 3802, 7598, 9505, 18995, 19010, 37990, 55129, 110258, 249031, 275645, 498062, 551290, 1245155, 2490310, 7221899, 14443798, 36109495, 72218990]

約数ペア:

[(1, 72218990), (2, 36109495), (5, 14443798), (10, 7221899), (29, 2490310), (58, 1245155), (131, 551290), (145, 498062), (262, 275645), (290, 249031), (655, 110258), (1310, 55129), (1901, 37990), (3799, 19010), (3802, 18995), (7598, 9505)]