261566592008

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{283}}^1\times {\mathrm{439}}^1\times {\mathrm{2957}}^1$

素因数の和:3774

約数の個数: 64

約数和(自身を含む): 499002768000

約数和(自身を除く): 237436175992

約数列:

[1, 2, 4, 8, 89, 178, 283, 356, 439, 566, 712, 878, 1132, 1756, 2264, 2957, 3512, 5914, 11828, 23656, 25187, 39071, 50374, 78142, 100748, 124237, 156284, 201496, 248474, 263173, 312568, 496948, 526346, 836831, 993896, 1052692, 1298123, 1673662, 2105384, 2596246, 3347324, 5192492, 6694648, 10384984, 11057093, 22114186, 44228372, 74477959, 88456744, 115532947, 148955918, 231065894, 297911836, 367368809, 462131788, 595823672, 734737618, 924263576, 1469475236, 2938950472, 32695824001, 65391648002, 130783296004, 261566592008]

約数ペア:

[(1, 261566592008), (2, 130783296004), (4, 65391648002), (8, 32695824001), (89, 2938950472), (178, 1469475236), (283, 924263576), (356, 734737618), (439, 595823672), (566, 462131788), (712, 367368809), (878, 297911836), (1132, 231065894), (1756, 148955918), (2264, 115532947), (2957, 88456744), (3512, 74477959), (5914, 44228372), (11828, 22114186), (23656, 11057093), (25187, 10384984), (39071, 6694648), (50374, 5192492), (78142, 3347324), (100748, 2596246), (124237, 2105384), (156284, 1673662), (201496, 1298123), (248474, 1052692), (263173, 993896), (312568, 836831), (496948, 526346)]