645535692

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{8147}}^1$

素因数の和:8259

約数の個数: 72

約数和(自身を含む): 1708342272

約数和(自身を除く): 1062806580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 71, 93, 124, 142, 186, 213, 279, 284, 372, 426, 558, 639, 852, 1116, 1278, 2201, 2556, 4402, 6603, 8147, 8804, 13206, 16294, 19809, 24441, 26412, 32588, 39618, 48882, 73323, 79236, 97764, 146646, 252557, 293292, 505114, 578437, 757671, 1010228, 1156874, 1515342, 1735311, 2273013, 2313748, 3030684, 3470622, 4546026, 5205933, 6941244, 9092052, 10411866, 17931547, 20823732, 35863094, 53794641, 71726188, 107589282, 161383923, 215178564, 322767846, 645535692]

約数ペア:

[(1, 645535692), (2, 322767846), (3, 215178564), (4, 161383923), (6, 107589282), (9, 71726188), (12, 53794641), (18, 35863094), (31, 20823732), (36, 17931547), (62, 10411866), (71, 9092052), (93, 6941244), (124, 5205933), (142, 4546026), (186, 3470622), (213, 3030684), (279, 2313748), (284, 2273013), (372, 1735311), (426, 1515342), (558, 1156874), (639, 1010228), (852, 757671), (1116, 578437), (1278, 505114), (2201, 293292), (2556, 252557), (4402, 146646), (6603, 97764), (8147, 79236), (8804, 73323), (13206, 48882), (16294, 39618), (19809, 32588), (24441, 26412)]