663642434

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 1269139200

約数和(自身を除く): 605496766

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 139, 182, 259, 278, 481, 518, 709, 962, 973, 1418, 1807, 1946, 3367, 3614, 4963, 5143, 6734, 9217, 9926, 10286, 12649, 18434, 25298, 26233, 36001, 52466, 64519, 66859, 72002, 98551, 129038, 133718, 183631, 197102, 341029, 367262, 468013, 682058, 689857, 936026, 1281163, 1379714, 2387203, 2562326, 3646387, 4774406, 7292774, 8968141, 17936282, 25524709, 47403031, 51049418, 94806062, 331821217, 663642434]

約数ペア:

[(1, 663642434), (2, 331821217), (7, 94806062), (13, 51049418), (14, 47403031), (26, 25524709), (37, 17936282), (74, 8968141), (91, 7292774), (139, 4774406), (182, 3646387), (259, 2562326), (278, 2387203), (481, 1379714), (518, 1281163), (709, 936026), (962, 689857), (973, 682058), (1418, 468013), (1807, 367262), (1946, 341029), (3367, 197102), (3614, 183631), (4963, 133718), (5143, 129038), (6734, 98551), (9217, 72002), (9926, 66859), (10286, 64519), (12649, 52466), (18434, 36001), (25298, 26233)]