215525056

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{421}}^2$

素因数の和:873

約数の個数: 42

約数和(自身を含む): 451264020

約数和(自身を除く): 235738964

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 421, 608, 842, 1216, 1684, 3368, 6736, 7999, 13472, 15998, 26944, 31996, 63992, 127984, 177241, 255968, 354482, 511936, 708964, 1417928, 2835856, 3367579, 5671712, 6735158, 11343424, 13470316, 26940632, 53881264, 107762528, 215525056]

約数ペア:

[(1, 215525056), (2, 107762528), (4, 53881264), (8, 26940632), (16, 13470316), (19, 11343424), (32, 6735158), (38, 5671712), (64, 3367579), (76, 2835856), (152, 1417928), (304, 708964), (421, 511936), (608, 354482), (842, 255968), (1216, 177241), (1684, 127984), (3368, 63992), (6736, 31996), (7999, 26944), (13472, 15998)]