77967790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1543}}^1$

素因数の和:1744

約数の個数: 32

約数和(自身を含む): 145852416

約数和(自身を除く): 67884626

約数列:

[1, 2, 5, 10, 31, 62, 155, 163, 310, 326, 815, 1543, 1630, 3086, 5053, 7715, 10106, 15430, 25265, 47833, 50530, 95666, 239165, 251509, 478330, 503018, 1257545, 2515090, 7796779, 15593558, 38983895, 77967790]

約数ペア:

[(1, 77967790), (2, 38983895), (5, 15593558), (10, 7796779), (31, 2515090), (62, 1257545), (155, 503018), (163, 478330), (310, 251509), (326, 239165), (815, 95666), (1543, 50530), (1630, 47833), (3086, 25265), (5053, 15430), (7715, 10106)]