8307978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 20736000

約数和(自身を除く): 12428022

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 29, 38, 42, 57, 58, 87, 114, 133, 174, 203, 266, 359, 399, 406, 551, 609, 718, 798, 1077, 1102, 1218, 1653, 2154, 2513, 3306, 3857, 5026, 6821, 7539, 7714, 10411, 11571, 13642, 15078, 20463, 20822, 23142, 31233, 40926, 47747, 62466, 72877, 95494, 143241, 145754, 197809, 218631, 286482, 395618, 437262, 593427, 1186854, 1384663, 2769326, 4153989, 8307978]

約数ペア:

[(1, 8307978), (2, 4153989), (3, 2769326), (6, 1384663), (7, 1186854), (14, 593427), (19, 437262), (21, 395618), (29, 286482), (38, 218631), (42, 197809), (57, 145754), (58, 143241), (87, 95494), (114, 72877), (133, 62466), (174, 47747), (203, 40926), (266, 31233), (359, 23142), (399, 20822), (406, 20463), (551, 15078), (609, 13642), (718, 11571), (798, 10411), (1077, 7714), (1102, 7539), (1218, 6821), (1653, 5026), (2154, 3857), (2513, 3306)]