261797904

素因数分解:

$2^4\times 3^2\times {\mathrm{419}}^1\times {\mathrm{4339}}^1$

素因数の和:4772

約数の個数: 60

約数和(自身を含む): 734588400

約数和(自身を除く): 472790496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 419, 838, 1257, 1676, 2514, 3352, 3771, 4339, 5028, 6704, 7542, 8678, 10056, 13017, 15084, 17356, 20112, 26034, 30168, 34712, 39051, 52068, 60336, 69424, 78102, 104136, 156204, 208272, 312408, 624816, 1818041, 3636082, 5454123, 7272164, 10908246, 14544328, 16362369, 21816492, 29088656, 32724738, 43632984, 65449476, 87265968, 130898952, 261797904]

約数ペア:

[(1, 261797904), (2, 130898952), (3, 87265968), (4, 65449476), (6, 43632984), (8, 32724738), (9, 29088656), (12, 21816492), (16, 16362369), (18, 14544328), (24, 10908246), (36, 7272164), (48, 5454123), (72, 3636082), (144, 1818041), (419, 624816), (838, 312408), (1257, 208272), (1676, 156204), (2514, 104136), (3352, 78102), (3771, 69424), (4339, 60336), (5028, 52068), (6704, 39051), (7542, 34712), (8678, 30168), (10056, 26034), (13017, 20112), (15084, 17356)]