81850788

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1033}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 216792576

約数和(自身を除く): 134941788

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, 1033, 1116, 1278, 2066, 2201, 2556, 3099, 4132, 4402, 6198, 6603, 8804, 9297, 12396, 13206, 18594, 19809, 26412, 32023, 37188, 39618, 64046, 73343, 79236, 96069, 128092, 146686, 192138, 220029, 288207, 293372, 384276, 440058, 576414, 660087, 880116, 1152828, 1320174, 2273633, 2640348, 4547266, 6820899, 9094532, 13641798, 20462697, 27283596, 40925394, 81850788]

約数ペア:

[(1, 81850788), (2, 40925394), (3, 27283596), (4, 20462697), (6, 13641798), (9, 9094532), (12, 6820899), (18, 4547266), (31, 2640348), (36, 2273633), (62, 1320174), (71, 1152828), (93, 880116), (124, 660087), (142, 576414), (186, 440058), (213, 384276), (279, 293372), (284, 288207), (372, 220029), (426, 192138), (558, 146686), (639, 128092), (852, 96069), (1033, 79236), (1116, 73343), (1278, 64046), (2066, 39618), (2201, 37188), (2556, 32023), (3099, 26412), (4132, 19809), (4402, 18594), (6198, 13206), (6603, 12396), (8804, 9297)]