81173196

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1621}}^1$

素因数の和:1751

約数の個数: 72

約数和(自身を含む): 223174224

約数和(自身を除く): 142001028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 107, 117, 156, 214, 234, 321, 428, 468, 642, 963, 1284, 1391, 1621, 1926, 2782, 3242, 3852, 4173, 4863, 5564, 6484, 8346, 9726, 12519, 14589, 16692, 19452, 21073, 25038, 29178, 42146, 50076, 58356, 63219, 84292, 126438, 173447, 189657, 252876, 346894, 379314, 520341, 693788, 758628, 1040682, 1561023, 2081364, 2254811, 3122046, 4509622, 6244092, 6764433, 9019244, 13528866, 20293299, 27057732, 40586598, 81173196]

約数ペア:

[(1, 81173196), (2, 40586598), (3, 27057732), (4, 20293299), (6, 13528866), (9, 9019244), (12, 6764433), (13, 6244092), (18, 4509622), (26, 3122046), (36, 2254811), (39, 2081364), (52, 1561023), (78, 1040682), (107, 758628), (117, 693788), (156, 520341), (214, 379314), (234, 346894), (321, 252876), (428, 189657), (468, 173447), (642, 126438), (963, 84292), (1284, 63219), (1391, 58356), (1621, 50076), (1926, 42146), (2782, 29178), (3242, 25038), (3852, 21073), (4173, 19452), (4863, 16692), (5564, 14589), (6484, 12519), (8346, 9726)]