251221776

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1097}}^1$

素因数の和:1488

約数の個数: 80

約数和(自身を含む): 701455104

約数和(自身を除く): 450233328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 367, 624, 734, 1097, 1101, 1468, 2194, 2202, 2936, 3291, 4388, 4404, 4771, 5872, 6582, 8776, 8808, 9542, 13164, 14261, 14313, 17552, 17616, 19084, 26328, 28522, 28626, 38168, 42783, 52656, 57044, 57252, 76336, 85566, 114088, 114504, 171132, 228176, 229008, 342264, 402599, 684528, 805198, 1207797, 1610396, 2415594, 3220792, 4831188, 5233787, 6441584, 9662376, 10467574, 15701361, 19324752, 20935148, 31402722, 41870296, 62805444, 83740592, 125610888, 251221776]

約数ペア:

[(1, 251221776), (2, 125610888), (3, 83740592), (4, 62805444), (6, 41870296), (8, 31402722), (12, 20935148), (13, 19324752), (16, 15701361), (24, 10467574), (26, 9662376), (39, 6441584), (48, 5233787), (52, 4831188), (78, 3220792), (104, 2415594), (156, 1610396), (208, 1207797), (312, 805198), (367, 684528), (624, 402599), (734, 342264), (1097, 229008), (1101, 228176), (1468, 171132), (2194, 114504), (2202, 114088), (2936, 85566), (3291, 76336), (4388, 57252), (4404, 57044), (4771, 52656), (5872, 42783), (6582, 38168), (8776, 28626), (8808, 28522), (9542, 26328), (13164, 19084), (14261, 17616), (14313, 17552)]