11985890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 25572024

約数和(自身を除く): 13586134

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 401, 427, 490, 610, 802, 854, 2005, 2135, 2807, 2989, 4010, 4270, 5614, 5978, 14035, 14945, 19649, 24461, 28070, 29890, 39298, 48922, 98245, 122305, 171227, 196490, 244610, 342454, 856135, 1198589, 1712270, 2397178, 5992945, 11985890]

約数ペア:

[(1, 11985890), (2, 5992945), (5, 2397178), (7, 1712270), (10, 1198589), (14, 856135), (35, 342454), (49, 244610), (61, 196490), (70, 171227), (98, 122305), (122, 98245), (245, 48922), (305, 39298), (401, 29890), (427, 28070), (490, 24461), (610, 19649), (802, 14945), (854, 14035), (2005, 5978), (2135, 5614), (2807, 4270), (2989, 4010)]