64494664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 138700800

約数和(自身を除く): 74206136

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 127, 152, 247, 254, 257, 494, 508, 514, 988, 1016, 1028, 1651, 1976, 2056, 2413, 3302, 3341, 4826, 4883, 6604, 6682, 9652, 9766, 13208, 13364, 19304, 19532, 26728, 31369, 32639, 39064, 62738, 63479, 65278, 125476, 126958, 130556, 250952, 253916, 261112, 424307, 507832, 620141, 848614, 1240282, 1697228, 2480564, 3394456, 4961128, 8061833, 16123666, 32247332, 64494664]

約数ペア:

[(1, 64494664), (2, 32247332), (4, 16123666), (8, 8061833), (13, 4961128), (19, 3394456), (26, 2480564), (38, 1697228), (52, 1240282), (76, 848614), (104, 620141), (127, 507832), (152, 424307), (247, 261112), (254, 253916), (257, 250952), (494, 130556), (508, 126958), (514, 125476), (988, 65278), (1016, 63479), (1028, 62738), (1651, 39064), (1976, 32639), (2056, 31369), (2413, 26728), (3302, 19532), (3341, 19304), (4826, 13364), (4883, 13208), (6604, 9766), (6682, 9652)]