664762917

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{631}}^1$

素因数の和:898

約数の個数: 64

約数和(自身を含む): 1161990144

約数和(自身を除く): 497227227

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 227, 273, 357, 631, 663, 681, 1547, 1589, 1893, 2951, 3859, 4417, 4641, 4767, 8203, 8853, 10727, 11577, 13251, 20657, 24609, 27013, 32181, 50167, 57421, 61971, 75089, 81039, 139451, 143237, 150501, 172263, 225267, 351169, 418353, 429711, 976157, 1002659, 1053507, 1862081, 2435029, 2928471, 3007977, 5586243, 7305087, 13034567, 17045203, 31655377, 39103701, 51135609, 94966131, 221587639, 664762917]

約数ペア:

[(1, 664762917), (3, 221587639), (7, 94966131), (13, 51135609), (17, 39103701), (21, 31655377), (39, 17045203), (51, 13034567), (91, 7305087), (119, 5586243), (221, 3007977), (227, 2928471), (273, 2435029), (357, 1862081), (631, 1053507), (663, 1002659), (681, 976157), (1547, 429711), (1589, 418353), (1893, 351169), (2951, 225267), (3859, 172263), (4417, 150501), (4641, 143237), (4767, 139451), (8203, 81039), (8853, 75089), (10727, 61971), (11577, 57421), (13251, 50167), (20657, 32181), (24609, 27013)]