392875868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:1995

約数の個数: 72

約数和(自身を含む): 878297952

約数和(自身を除く): 485422084

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 121, 122, 154, 242, 244, 308, 427, 484, 671, 847, 854, 1342, 1694, 1708, 1901, 2684, 3388, 3802, 4697, 7381, 7604, 9394, 13307, 14762, 18788, 20911, 26614, 29524, 41822, 51667, 53228, 83644, 103334, 115961, 146377, 206668, 230021, 231922, 292754, 460042, 463844, 585508, 811727, 920084, 1275571, 1610147, 1623454, 2551142, 3220294, 3246908, 5102284, 6440588, 8928997, 14031281, 17857994, 28062562, 35715988, 56125124, 98218967, 196437934, 392875868]

約数ペア:

[(1, 392875868), (2, 196437934), (4, 98218967), (7, 56125124), (11, 35715988), (14, 28062562), (22, 17857994), (28, 14031281), (44, 8928997), (61, 6440588), (77, 5102284), (121, 3246908), (122, 3220294), (154, 2551142), (242, 1623454), (244, 1610147), (308, 1275571), (427, 920084), (484, 811727), (671, 585508), (847, 463844), (854, 460042), (1342, 292754), (1694, 231922), (1708, 230021), (1901, 206668), (2684, 146377), (3388, 115961), (3802, 103334), (4697, 83644), (7381, 53228), (7604, 51667), (9394, 41822), (13307, 29524), (14762, 26614), (18788, 20911)]