15721463996

素因数分解:

$2^2\times 7^3\times {\mathrm{1447}}^1\times {\mathrm{7919}}^1$

素因数の和:9391

約数の個数: 48

約数和(自身を含む): 32110848000

約数和(自身を除く): 16389384004

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 1447, 2894, 5788, 7919, 10129, 15838, 20258, 31676, 40516, 55433, 70903, 110866, 141806, 221732, 283612, 388031, 496321, 776062, 992642, 1552124, 1985284, 2716217, 5432434, 10864868, 11458793, 22917586, 45835172, 80211551, 160423102, 320846204, 561480857, 1122961714, 2245923428, 3930365999, 7860731998, 15721463996]

約数ペア:

[(1, 15721463996), (2, 7860731998), (4, 3930365999), (7, 2245923428), (14, 1122961714), (28, 561480857), (49, 320846204), (98, 160423102), (196, 80211551), (343, 45835172), (686, 22917586), (1372, 11458793), (1447, 10864868), (2894, 5432434), (5788, 2716217), (7919, 1985284), (10129, 1552124), (15838, 992642), (20258, 776062), (31676, 496321), (40516, 388031), (55433, 283612), (70903, 221732), (110866, 141806)]