248972408

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 507217920

約数和(自身を除く): 258245512

約数列:

[1, 2, 4, 8, 31, 37, 43, 62, 74, 86, 124, 148, 172, 248, 296, 344, 631, 1147, 1262, 1333, 1591, 2294, 2524, 2666, 3182, 4588, 5048, 5332, 6364, 9176, 10664, 12728, 19561, 23347, 27133, 39122, 46694, 49321, 54266, 78244, 93388, 98642, 108532, 156488, 186776, 197284, 217064, 394568, 723757, 841123, 1003921, 1447514, 1682246, 2007842, 2895028, 3364492, 4015684, 5790056, 6728984, 8031368, 31121551, 62243102, 124486204, 248972408]

約数ペア:

[(1, 248972408), (2, 124486204), (4, 62243102), (8, 31121551), (31, 8031368), (37, 6728984), (43, 5790056), (62, 4015684), (74, 3364492), (86, 2895028), (124, 2007842), (148, 1682246), (172, 1447514), (248, 1003921), (296, 841123), (344, 723757), (631, 394568), (1147, 217064), (1262, 197284), (1333, 186776), (1591, 156488), (2294, 108532), (2524, 98642), (2666, 93388), (3182, 78244), (4588, 54266), (5048, 49321), (5332, 46694), (6364, 39122), (9176, 27133), (10664, 23347), (12728, 19561)]