261408996

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{857}}^1$

素因数の和:1133

約数の個数: 72

約数和(自身を含む): 682401720

約数和(自身を除く): 420992724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 229, 333, 444, 458, 666, 687, 857, 916, 1332, 1374, 1714, 2061, 2571, 2748, 3428, 4122, 5142, 7713, 8244, 8473, 10284, 15426, 16946, 25419, 30852, 31709, 33892, 50838, 63418, 76257, 95127, 101676, 126836, 152514, 190254, 196253, 285381, 305028, 380508, 392506, 570762, 588759, 785012, 1141524, 1177518, 1766277, 2355036, 3532554, 7065108, 7261361, 14522722, 21784083, 29045444, 43568166, 65352249, 87136332, 130704498, 261408996]

約数ペア:

[(1, 261408996), (2, 130704498), (3, 87136332), (4, 65352249), (6, 43568166), (9, 29045444), (12, 21784083), (18, 14522722), (36, 7261361), (37, 7065108), (74, 3532554), (111, 2355036), (148, 1766277), (222, 1177518), (229, 1141524), (333, 785012), (444, 588759), (458, 570762), (666, 392506), (687, 380508), (857, 305028), (916, 285381), (1332, 196253), (1374, 190254), (1714, 152514), (2061, 126836), (2571, 101676), (2748, 95127), (3428, 76257), (4122, 63418), (5142, 50838), (7713, 33892), (8244, 31709), (8473, 30852), (10284, 25419), (15426, 16946)]