721198608

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{18947}}^1$

素因数の和:19032

約数の個数: 80

約数和(自身を含む): 2039411136

約数和(自身を除く): 1318212528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 61, 78, 104, 122, 156, 183, 208, 244, 312, 366, 488, 624, 732, 793, 976, 1464, 1586, 2379, 2928, 3172, 4758, 6344, 9516, 12688, 18947, 19032, 37894, 38064, 56841, 75788, 113682, 151576, 227364, 246311, 303152, 454728, 492622, 738933, 909456, 985244, 1155767, 1477866, 1970488, 2311534, 2955732, 3467301, 3940976, 4623068, 5911464, 6934602, 9246136, 11822928, 13869204, 15024971, 18492272, 27738408, 30049942, 45074913, 55476816, 60099884, 90149826, 120199768, 180299652, 240399536, 360599304, 721198608]

約数ペア:

[(1, 721198608), (2, 360599304), (3, 240399536), (4, 180299652), (6, 120199768), (8, 90149826), (12, 60099884), (13, 55476816), (16, 45074913), (24, 30049942), (26, 27738408), (39, 18492272), (48, 15024971), (52, 13869204), (61, 11822928), (78, 9246136), (104, 6934602), (122, 5911464), (156, 4623068), (183, 3940976), (208, 3467301), (244, 2955732), (312, 2311534), (366, 1970488), (488, 1477866), (624, 1155767), (732, 985244), (793, 909456), (976, 738933), (1464, 492622), (1586, 454728), (2379, 303152), (2928, 246311), (3172, 227364), (4758, 151576), (6344, 113682), (9516, 75788), (12688, 56841), (18947, 38064), (19032, 37894)]