255588242

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 493516800

約数和(自身を除く): 237928558

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 89, 91, 178, 182, 217, 403, 434, 509, 623, 806, 1018, 1157, 1246, 2314, 2759, 2821, 3563, 5518, 5642, 6617, 7126, 8099, 13234, 15779, 16198, 19313, 31558, 35867, 38626, 45301, 46319, 71734, 90602, 92638, 110453, 205127, 220906, 251069, 317107, 410254, 502138, 588913, 634214, 1177826, 1404331, 1435889, 2808662, 2871778, 4122391, 8244782, 9830317, 18256303, 19660634, 36512606, 127794121, 255588242]

約数ペア:

[(1, 255588242), (2, 127794121), (7, 36512606), (13, 19660634), (14, 18256303), (26, 9830317), (31, 8244782), (62, 4122391), (89, 2871778), (91, 2808662), (178, 1435889), (182, 1404331), (217, 1177826), (403, 634214), (434, 588913), (509, 502138), (623, 410254), (806, 317107), (1018, 251069), (1157, 220906), (1246, 205127), (2314, 110453), (2759, 92638), (2821, 90602), (3563, 71734), (5518, 46319), (5642, 45301), (6617, 38626), (7126, 35867), (8099, 31558), (13234, 19313), (15779, 16198)]