211231332

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{863}}^1$

素因数の和:1409

約数の個数: 72

約数和(自身を含む): 576785664

約数和(自身を除く): 365554332

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 523, 863, 1046, 1569, 1726, 2092, 2589, 3138, 3452, 4707, 5178, 6276, 6799, 7767, 9414, 10356, 11219, 13598, 15534, 18828, 20397, 22438, 27196, 31068, 33657, 40794, 44876, 61191, 67314, 81588, 100971, 122382, 134628, 201942, 244764, 403884, 451349, 902698, 1354047, 1805396, 2708094, 4062141, 5416188, 5867537, 8124282, 11735074, 16248564, 17602611, 23470148, 35205222, 52807833, 70410444, 105615666, 211231332]

約数ペア:

[(1, 211231332), (2, 105615666), (3, 70410444), (4, 52807833), (6, 35205222), (9, 23470148), (12, 17602611), (13, 16248564), (18, 11735074), (26, 8124282), (36, 5867537), (39, 5416188), (52, 4062141), (78, 2708094), (117, 1805396), (156, 1354047), (234, 902698), (468, 451349), (523, 403884), (863, 244764), (1046, 201942), (1569, 134628), (1726, 122382), (2092, 100971), (2589, 81588), (3138, 67314), (3452, 61191), (4707, 44876), (5178, 40794), (6276, 33657), (6799, 31068), (7767, 27196), (9414, 22438), (10356, 20397), (11219, 18828), (13598, 15534)]