1649348805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{443}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 2904314112

約数和(自身を除く): 1254965307

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 313, 443, 793, 915, 939, 1329, 1565, 2215, 2379, 3965, 4069, 4695, 5759, 6645, 11895, 12207, 17277, 19093, 20345, 27023, 28795, 57279, 61035, 81069, 86385, 95465, 135115, 138659, 248209, 286395, 351299, 405345, 415977, 693295, 744627, 1053897, 1241045, 1756495, 1802567, 2079885, 3723135, 5269485, 5407701, 8458199, 9012835, 25374597, 27038505, 42290995, 109956587, 126872985, 329869761, 549782935, 1649348805]

約数ペア:

[(1, 1649348805), (3, 549782935), (5, 329869761), (13, 126872985), (15, 109956587), (39, 42290995), (61, 27038505), (65, 25374597), (183, 9012835), (195, 8458199), (305, 5407701), (313, 5269485), (443, 3723135), (793, 2079885), (915, 1802567), (939, 1756495), (1329, 1241045), (1565, 1053897), (2215, 744627), (2379, 693295), (3965, 415977), (4069, 405345), (4695, 351299), (5759, 286395), (6645, 248209), (11895, 138659), (12207, 135115), (17277, 95465), (19093, 86385), (20345, 81069), (27023, 61035), (28795, 57279)]