245297988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7823}}^1$

素因数の和:7913

約数の個数: 72

約数和(自身を含む): 677808768

約数和(自身を除く): 432510780

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 78, 117, 134, 156, 201, 234, 268, 402, 468, 603, 804, 871, 1206, 1742, 2412, 2613, 3484, 5226, 7823, 7839, 10452, 15646, 15678, 23469, 31292, 31356, 46938, 70407, 93876, 101699, 140814, 203398, 281628, 305097, 406796, 524141, 610194, 915291, 1048282, 1220388, 1572423, 1830582, 2096564, 3144846, 3661164, 4717269, 6289692, 6813833, 9434538, 13627666, 18869076, 20441499, 27255332, 40882998, 61324497, 81765996, 122648994, 245297988]

約数ペア:

[(1, 245297988), (2, 122648994), (3, 81765996), (4, 61324497), (6, 40882998), (9, 27255332), (12, 20441499), (13, 18869076), (18, 13627666), (26, 9434538), (36, 6813833), (39, 6289692), (52, 4717269), (67, 3661164), (78, 3144846), (117, 2096564), (134, 1830582), (156, 1572423), (201, 1220388), (234, 1048282), (268, 915291), (402, 610194), (468, 524141), (603, 406796), (804, 305097), (871, 281628), (1206, 203398), (1742, 140814), (2412, 101699), (2613, 93876), (3484, 70407), (5226, 46938), (7823, 31356), (7839, 31292), (10452, 23469), (15646, 15678)]