1331304425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1277}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 1916877312

約数和(自身を除く): 585572887

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 223, 275, 425, 935, 1115, 1277, 2453, 3791, 4675, 5575, 6385, 12265, 14047, 18955, 21709, 31925, 41701, 61325, 70235, 94775, 108545, 208505, 238799, 284771, 351175, 542725, 1042525, 1193995, 1423855, 3132481, 4841107, 5969975, 7119275, 15662405, 24205535, 53252177, 78312025, 121027675, 266260885, 1331304425]

約数ペア:

[(1, 1331304425), (5, 266260885), (11, 121027675), (17, 78312025), (25, 53252177), (55, 24205535), (85, 15662405), (187, 7119275), (223, 5969975), (275, 4841107), (425, 3132481), (935, 1423855), (1115, 1193995), (1277, 1042525), (2453, 542725), (3791, 351175), (4675, 284771), (5575, 238799), (6385, 208505), (12265, 108545), (14047, 94775), (18955, 70235), (21709, 61325), (31925, 41701)]