18406963265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 24281026560

約数和(自身を除く): 5874063295

約数列:

[1, 5, 17, 67, 79, 85, 163, 251, 335, 395, 815, 1139, 1255, 1343, 2771, 4267, 5293, 5695, 6715, 10921, 12877, 13855, 16817, 19829, 21335, 26465, 40913, 54605, 64385, 84085, 89981, 99145, 185657, 204565, 218909, 285889, 337093, 449905, 695521, 862759, 928285, 1094545, 1328543, 1429445, 1685465, 2741171, 3232127, 3477605, 4313795, 6642715, 13705855, 14666903, 16160635, 22585231, 46599907, 54946159, 73334515, 112926155, 216552509, 232999535, 274730795, 1082762545, 3681392653, 18406963265]

約数ペア:

[(1, 18406963265), (5, 3681392653), (17, 1082762545), (67, 274730795), (79, 232999535), (85, 216552509), (163, 112926155), (251, 73334515), (335, 54946159), (395, 46599907), (815, 22585231), (1139, 16160635), (1255, 14666903), (1343, 13705855), (2771, 6642715), (4267, 4313795), (5293, 3477605), (5695, 3232127), (6715, 2741171), (10921, 1685465), (12877, 1429445), (13855, 1328543), (16817, 1094545), (19829, 928285), (21335, 862759), (26465, 695521), (40913, 449905), (54605, 337093), (64385, 285889), (84085, 218909), (89981, 204565), (99145, 185657)]