66487816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 138181680

約数和(自身を除く): 71693864

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 73, 74, 136, 146, 148, 181, 292, 296, 362, 584, 629, 724, 1241, 1258, 1448, 2482, 2516, 2701, 3077, 4964, 5032, 5402, 6154, 6697, 9928, 10804, 12308, 13213, 13394, 21608, 24616, 26426, 26788, 45917, 52852, 53576, 91834, 105704, 113849, 183668, 224621, 227698, 367336, 449242, 455396, 488881, 898484, 910792, 977762, 1796968, 1955524, 3911048, 8310977, 16621954, 33243908, 66487816]

約数ペア:

[(1, 66487816), (2, 33243908), (4, 16621954), (8, 8310977), (17, 3911048), (34, 1955524), (37, 1796968), (68, 977762), (73, 910792), (74, 898484), (136, 488881), (146, 455396), (148, 449242), (181, 367336), (292, 227698), (296, 224621), (362, 183668), (584, 113849), (629, 105704), (724, 91834), (1241, 53576), (1258, 52852), (1448, 45917), (2482, 26788), (2516, 26426), (2701, 24616), (3077, 21608), (4964, 13394), (5032, 13213), (5402, 12308), (6154, 10804), (6697, 9928)]