13208728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 29272320

約数和(自身を除く): 16063592

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 241, 248, 403, 442, 482, 527, 806, 884, 964, 1054, 1612, 1768, 1928, 2108, 3133, 3224, 4097, 4216, 6266, 6851, 7471, 8194, 12532, 13702, 14942, 16388, 25064, 27404, 29884, 32776, 53261, 54808, 59768, 97123, 106522, 127007, 194246, 213044, 254014, 388492, 426088, 508028, 776984, 1016056, 1651091, 3302182, 6604364, 13208728]

約数ペア:

[(1, 13208728), (2, 6604364), (4, 3302182), (8, 1651091), (13, 1016056), (17, 776984), (26, 508028), (31, 426088), (34, 388492), (52, 254014), (62, 213044), (68, 194246), (104, 127007), (124, 106522), (136, 97123), (221, 59768), (241, 54808), (248, 53261), (403, 32776), (442, 29884), (482, 27404), (527, 25064), (806, 16388), (884, 14942), (964, 13702), (1054, 12532), (1612, 8194), (1768, 7471), (1928, 6851), (2108, 6266), (3133, 4216), (3224, 4097)]