1638521496

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{331}}^1\times {\mathrm{349}}^1$

素因数の和:889

約数の個数: 96

約数和(自身を含む): 4486482000

約数和(自身を除く): 2847960504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 331, 349, 394, 591, 662, 698, 788, 993, 1047, 1182, 1324, 1396, 1576, 1773, 1986, 2094, 2364, 2648, 2792, 2979, 3141, 3546, 3972, 4188, 4728, 5958, 6282, 7092, 7944, 8376, 11916, 12564, 14184, 23832, 25128, 65207, 68753, 115519, 130414, 137506, 195621, 206259, 231038, 260828, 275012, 346557, 391242, 412518, 462076, 521656, 550024, 586863, 618777, 693114, 782484, 825036, 924152, 1039671, 1173726, 1237554, 1386228, 1564968, 1650072, 2079342, 2347452, 2475108, 2772456, 4158684, 4694904, 4950216, 8317368, 22757243, 45514486, 68271729, 91028972, 136543458, 182057944, 204815187, 273086916, 409630374, 546173832, 819260748, 1638521496]

約数ペア:

[(1, 1638521496), (2, 819260748), (3, 546173832), (4, 409630374), (6, 273086916), (8, 204815187), (9, 182057944), (12, 136543458), (18, 91028972), (24, 68271729), (36, 45514486), (72, 22757243), (197, 8317368), (331, 4950216), (349, 4694904), (394, 4158684), (591, 2772456), (662, 2475108), (698, 2347452), (788, 2079342), (993, 1650072), (1047, 1564968), (1182, 1386228), (1324, 1237554), (1396, 1173726), (1576, 1039671), (1773, 924152), (1986, 825036), (2094, 782484), (2364, 693114), (2648, 618777), (2792, 586863), (2979, 550024), (3141, 521656), (3546, 462076), (3972, 412518), (4188, 391242), (4728, 346557), (5958, 275012), (6282, 260828), (7092, 231038), (7944, 206259), (8376, 195621), (11916, 137506), (12564, 130414), (14184, 115519), (23832, 68753), (25128, 65207)]