31869145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 19556135

約数列:

[1, 5, 7, 11, 23, 35, 55, 59, 61, 77, 115, 161, 253, 295, 305, 385, 413, 427, 649, 671, 805, 1265, 1357, 1403, 1771, 2065, 2135, 3245, 3355, 3599, 4543, 4697, 6785, 7015, 8855, 9499, 9821, 14927, 15433, 17995, 22715, 23485, 25193, 39589, 47495, 49105, 74635, 77165, 82777, 104489, 108031, 125965, 197945, 277123, 413885, 522445, 540155, 579439, 910547, 1385615, 2897195, 4552735, 6373829, 31869145]

約数ペア:

[(1, 31869145), (5, 6373829), (7, 4552735), (11, 2897195), (23, 1385615), (35, 910547), (55, 579439), (59, 540155), (61, 522445), (77, 413885), (115, 277123), (161, 197945), (253, 125965), (295, 108031), (305, 104489), (385, 82777), (413, 77165), (427, 74635), (649, 49105), (671, 47495), (805, 39589), (1265, 25193), (1357, 23485), (1403, 22715), (1771, 17995), (2065, 15433), (2135, 14927), (3245, 9821), (3355, 9499), (3599, 8855), (4543, 7015), (4697, 6785)]