2481385655

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 3663360000

約数和(自身を除く): 1181974345

約数列:

[1, 5, 7, 19, 35, 79, 95, 133, 149, 317, 395, 553, 665, 745, 1043, 1501, 1585, 2219, 2765, 2831, 5215, 6023, 7505, 10507, 11095, 11771, 14155, 19817, 25043, 30115, 42161, 47233, 52535, 58855, 82397, 99085, 125215, 175301, 210805, 223649, 236165, 330631, 411985, 475817, 876505, 897427, 1118245, 1565543, 1653155, 2379085, 3330719, 3731407, 4487135, 6281989, 7827715, 16653595, 18657035, 26119849, 31409945, 70896733, 130599245, 354483665, 496277131, 2481385655]

約数ペア:

[(1, 2481385655), (5, 496277131), (7, 354483665), (19, 130599245), (35, 70896733), (79, 31409945), (95, 26119849), (133, 18657035), (149, 16653595), (317, 7827715), (395, 6281989), (553, 4487135), (665, 3731407), (745, 3330719), (1043, 2379085), (1501, 1653155), (1585, 1565543), (2219, 1118245), (2765, 897427), (2831, 876505), (5215, 475817), (6023, 411985), (7505, 330631), (10507, 236165), (11095, 223649), (11771, 210805), (14155, 175301), (19817, 125215), (25043, 99085), (30115, 82397), (42161, 58855), (47233, 52535)]