31765435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 46418400

約数和(自身を除く): 14652965

約数列:

[1, 5, 13, 17, 19, 65, 85, 89, 95, 221, 247, 289, 323, 445, 1105, 1157, 1235, 1445, 1513, 1615, 1691, 3757, 4199, 5491, 5785, 7565, 8455, 18785, 19669, 20995, 21983, 25721, 27455, 28747, 71383, 98345, 109915, 128605, 143735, 334373, 356915, 373711, 488699, 1671865, 1868555, 2443495, 6353087, 31765435]

約数ペア:

[(1, 31765435), (5, 6353087), (13, 2443495), (17, 1868555), (19, 1671865), (65, 488699), (85, 373711), (89, 356915), (95, 334373), (221, 143735), (247, 128605), (289, 109915), (323, 98345), (445, 71383), (1105, 28747), (1157, 27455), (1235, 25721), (1445, 21983), (1513, 20995), (1615, 19669), (1691, 18785), (3757, 8455), (4199, 7565), (5491, 5785)]