64993572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{739}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 188552000

約数和(自身を除く): 123558428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 349, 698, 739, 1047, 1396, 1478, 2094, 2217, 2443, 2956, 3141, 4188, 4434, 4886, 5173, 6282, 6651, 7329, 8868, 9772, 10346, 12564, 13302, 14658, 15519, 20692, 21987, 26604, 29316, 31038, 43974, 46557, 62076, 87948, 93114, 186228, 257911, 515822, 773733, 1031644, 1547466, 1805377, 2321199, 3094932, 3610754, 4642398, 5416131, 7221508, 9284796, 10832262, 16248393, 21664524, 32496786, 64993572]

約数ペア:

[(1, 64993572), (2, 32496786), (3, 21664524), (4, 16248393), (6, 10832262), (7, 9284796), (9, 7221508), (12, 5416131), (14, 4642398), (18, 3610754), (21, 3094932), (28, 2321199), (36, 1805377), (42, 1547466), (63, 1031644), (84, 773733), (126, 515822), (252, 257911), (349, 186228), (698, 93114), (739, 87948), (1047, 62076), (1396, 46557), (1478, 43974), (2094, 31038), (2217, 29316), (2443, 26604), (2956, 21987), (3141, 20692), (4188, 15519), (4434, 14658), (4886, 13302), (5173, 12564), (6282, 10346), (6651, 9772), (7329, 8868)]