217358648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 463579200

約数和(自身を除く): 246220552

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 89, 92, 104, 178, 184, 299, 356, 598, 712, 1021, 1157, 1196, 2042, 2047, 2314, 2392, 4084, 4094, 4628, 8168, 8188, 9256, 13273, 16376, 23483, 26546, 26611, 46966, 53092, 53222, 90869, 93932, 106184, 106444, 181738, 187864, 212888, 305279, 363476, 610558, 726952, 1181297, 1221116, 2089987, 2362594, 2442232, 4179974, 4725188, 8359948, 9450376, 16719896, 27169831, 54339662, 108679324, 217358648]

約数ペア:

[(1, 217358648), (2, 108679324), (4, 54339662), (8, 27169831), (13, 16719896), (23, 9450376), (26, 8359948), (46, 4725188), (52, 4179974), (89, 2442232), (92, 2362594), (104, 2089987), (178, 1221116), (184, 1181297), (299, 726952), (356, 610558), (598, 363476), (712, 305279), (1021, 212888), (1157, 187864), (1196, 181738), (2042, 106444), (2047, 106184), (2314, 93932), (2392, 90869), (4084, 53222), (4094, 53092), (4628, 46966), (8168, 26611), (8188, 26546), (9256, 23483), (13273, 16376)]