91142975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 142490880

約数和(自身を除く): 51347905

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 113, 175, 275, 385, 419, 565, 791, 1243, 1925, 2095, 2825, 2933, 3955, 4609, 6215, 8701, 10475, 14665, 19775, 23045, 31075, 32263, 43505, 47347, 73325, 115225, 161315, 217525, 236735, 331429, 520817, 806575, 1183675, 1657145, 2604085, 3645719, 8285725, 13020425, 18228595, 91142975]

約数ペア:

[(1, 91142975), (5, 18228595), (7, 13020425), (11, 8285725), (25, 3645719), (35, 2604085), (55, 1657145), (77, 1183675), (113, 806575), (175, 520817), (275, 331429), (385, 236735), (419, 217525), (565, 161315), (791, 115225), (1243, 73325), (1925, 47347), (2095, 43505), (2825, 32263), (2933, 31075), (3955, 23045), (4609, 19775), (6215, 14665), (8701, 10475)]