257418916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2953}}^1$

素因数の和:3044

約数の個数: 48

約数和(自身を含む): 502888960

約数和(自身を除く): 245470044

約数列:

[1, 2, 4, 19, 31, 37, 38, 62, 74, 76, 124, 148, 589, 703, 1147, 1178, 1406, 2294, 2356, 2812, 2953, 4588, 5906, 11812, 21793, 43586, 56107, 87172, 91543, 109261, 112214, 183086, 218522, 224428, 366172, 437044, 1739317, 2075959, 3387091, 3478634, 4151918, 6774182, 6957268, 8303836, 13548364, 64354729, 128709458, 257418916]

約数ペア:

[(1, 257418916), (2, 128709458), (4, 64354729), (19, 13548364), (31, 8303836), (37, 6957268), (38, 6774182), (62, 4151918), (74, 3478634), (76, 3387091), (124, 2075959), (148, 1739317), (589, 437044), (703, 366172), (1147, 224428), (1178, 218522), (1406, 183086), (2294, 112214), (2356, 109261), (2812, 91543), (2953, 87172), (4588, 56107), (5906, 43586), (11812, 21793)]