781520404

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3271}}^1$

素因数の和:3365

約数の個数: 72

約数和(自身を含む): 1691964288

約数和(自身を除く): 910443884

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 53, 92, 98, 106, 161, 196, 212, 322, 371, 644, 742, 1127, 1219, 1484, 2254, 2438, 2597, 3271, 4508, 4876, 5194, 6542, 8533, 10388, 13084, 17066, 22897, 34132, 45794, 59731, 75233, 91588, 119462, 150466, 160279, 173363, 238924, 300932, 320558, 346726, 526631, 641116, 693452, 1053262, 1213541, 2106524, 2427082, 3686417, 3987349, 4854164, 7372834, 7974698, 8494787, 14745668, 15949396, 16989574, 27911443, 33979148, 55822886, 111645772, 195380101, 390760202, 781520404]

約数ペア:

[(1, 781520404), (2, 390760202), (4, 195380101), (7, 111645772), (14, 55822886), (23, 33979148), (28, 27911443), (46, 16989574), (49, 15949396), (53, 14745668), (92, 8494787), (98, 7974698), (106, 7372834), (161, 4854164), (196, 3987349), (212, 3686417), (322, 2427082), (371, 2106524), (644, 1213541), (742, 1053262), (1127, 693452), (1219, 641116), (1484, 526631), (2254, 346726), (2438, 320558), (2597, 300932), (3271, 238924), (4508, 173363), (4876, 160279), (5194, 150466), (6542, 119462), (8533, 91588), (10388, 75233), (13084, 59731), (17066, 45794), (22897, 34132)]