261882648

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{51229}}^1$

素因数の和:51312

約数の個数: 48

約数和(自身を含む): 719269200

約数和(自身を除く): 457386552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 51229, 102458, 153687, 204916, 307374, 409832, 461061, 614748, 922122, 1229496, 1844244, 3637259, 3688488, 7274518, 10911777, 14549036, 21823554, 29098072, 32735331, 43647108, 65470662, 87294216, 130941324, 261882648]

約数ペア:

[(1, 261882648), (2, 130941324), (3, 87294216), (4, 65470662), (6, 43647108), (8, 32735331), (9, 29098072), (12, 21823554), (18, 14549036), (24, 10911777), (36, 7274518), (71, 3688488), (72, 3637259), (142, 1844244), (213, 1229496), (284, 922122), (426, 614748), (568, 461061), (639, 409832), (852, 307374), (1278, 204916), (1704, 153687), (2556, 102458), (5112, 51229)]