31372055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 17616745

約数列:

[1, 5, 11, 13, 17, 29, 55, 65, 85, 89, 143, 145, 187, 221, 319, 377, 445, 493, 715, 935, 979, 1105, 1157, 1513, 1595, 1885, 2431, 2465, 2581, 4147, 4895, 5423, 5785, 6409, 7565, 12155, 12727, 12905, 16643, 19669, 20735, 27115, 28391, 32045, 33553, 43877, 63635, 70499, 83215, 98345, 141955, 167765, 216359, 219385, 352495, 369083, 482647, 570401, 1081795, 1845415, 2413235, 2852005, 6274411, 31372055]

約数ペア:

[(1, 31372055), (5, 6274411), (11, 2852005), (13, 2413235), (17, 1845415), (29, 1081795), (55, 570401), (65, 482647), (85, 369083), (89, 352495), (143, 219385), (145, 216359), (187, 167765), (221, 141955), (319, 98345), (377, 83215), (445, 70499), (493, 63635), (715, 43877), (935, 33553), (979, 32045), (1105, 28391), (1157, 27115), (1513, 20735), (1595, 19669), (1885, 16643), (2431, 12905), (2465, 12727), (2581, 12155), (4147, 7565), (4895, 6409), (5423, 5785)]