257582988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{18979}}^1$

素因数の和:19031

約数の個数: 72

約数和(自身を含む): 725415600

約数和(自身を除く): 467832612

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1508, 2262, 3393, 4524, 6786, 13572, 18979, 37958, 56937, 75916, 113874, 170811, 227748, 246727, 341622, 493454, 550391, 683244, 740181, 986908, 1100782, 1480362, 1651173, 2201564, 2220543, 2960724, 3302346, 4441086, 4953519, 6604692, 7155083, 8882172, 9907038, 14310166, 19814076, 21465249, 28620332, 42930498, 64395747, 85860996, 128791494, 257582988]

約数ペア:

[(1, 257582988), (2, 128791494), (3, 85860996), (4, 64395747), (6, 42930498), (9, 28620332), (12, 21465249), (13, 19814076), (18, 14310166), (26, 9907038), (29, 8882172), (36, 7155083), (39, 6604692), (52, 4953519), (58, 4441086), (78, 3302346), (87, 2960724), (116, 2220543), (117, 2201564), (156, 1651173), (174, 1480362), (234, 1100782), (261, 986908), (348, 740181), (377, 683244), (468, 550391), (522, 493454), (754, 341622), (1044, 246727), (1131, 227748), (1508, 170811), (2262, 113874), (3393, 75916), (4524, 56937), (6786, 37958), (13572, 18979)]