289081312

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1217}}^1$

素因数の和:1811

約数の個数: 48

約数和(自身を含む): 614485872

約数和(自身を除く): 325404560

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 571, 1142, 1217, 2284, 2434, 4568, 4868, 7423, 9136, 9736, 14846, 15821, 18272, 19472, 29692, 31642, 38944, 59384, 63284, 118768, 126568, 237536, 253136, 506272, 694907, 1389814, 2779628, 5559256, 9033791, 11118512, 18067582, 22237024, 36135164, 72270328, 144540656, 289081312]

約数ペア:

[(1, 289081312), (2, 144540656), (4, 72270328), (8, 36135164), (13, 22237024), (16, 18067582), (26, 11118512), (32, 9033791), (52, 5559256), (104, 2779628), (208, 1389814), (416, 694907), (571, 506272), (1142, 253136), (1217, 237536), (2284, 126568), (2434, 118768), (4568, 63284), (4868, 59384), (7423, 38944), (9136, 31642), (9736, 29692), (14846, 19472), (15821, 18272)]