1390754631

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 2233548800

約数和(自身を除く): 842794169

約数列:

[1, 3, 7, 21, 37, 79, 111, 139, 163, 237, 259, 417, 489, 553, 777, 973, 1141, 1659, 2919, 2923, 3423, 5143, 6031, 8769, 10981, 12877, 15429, 18093, 20461, 22657, 32943, 36001, 38631, 42217, 61383, 67971, 76867, 90139, 108003, 126651, 158599, 230601, 270417, 406297, 475797, 476449, 838309, 1218891, 1429347, 1789903, 2514927, 2844079, 3335143, 5369709, 5868163, 8532237, 10005429, 12529321, 17604489, 37587963, 66226411, 198679233, 463584877, 1390754631]

約数ペア:

[(1, 1390754631), (3, 463584877), (7, 198679233), (21, 66226411), (37, 37587963), (79, 17604489), (111, 12529321), (139, 10005429), (163, 8532237), (237, 5868163), (259, 5369709), (417, 3335143), (489, 2844079), (553, 2514927), (777, 1789903), (973, 1429347), (1141, 1218891), (1659, 838309), (2919, 476449), (2923, 475797), (3423, 406297), (5143, 270417), (6031, 230601), (8769, 158599), (10981, 126651), (12877, 108003), (15429, 90139), (18093, 76867), (20461, 67971), (22657, 61383), (32943, 42217), (36001, 38631)]