139406512

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 320550912

約数和(自身を除く): 181144400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 71, 94, 112, 142, 188, 284, 329, 373, 376, 497, 568, 658, 746, 752, 994, 1136, 1316, 1492, 1988, 2611, 2632, 2984, 3337, 3976, 5222, 5264, 5968, 6674, 7952, 10444, 13348, 17531, 20888, 23359, 26483, 26696, 35062, 41776, 46718, 52966, 53392, 70124, 93436, 105932, 122717, 140248, 185381, 186872, 211864, 245434, 280496, 370762, 373744, 423728, 490868, 741524, 981736, 1244701, 1483048, 1963472, 2489402, 2966096, 4978804, 8712907, 9957608, 17425814, 19915216, 34851628, 69703256, 139406512]

約数ペア:

[(1, 139406512), (2, 69703256), (4, 34851628), (7, 19915216), (8, 17425814), (14, 9957608), (16, 8712907), (28, 4978804), (47, 2966096), (56, 2489402), (71, 1963472), (94, 1483048), (112, 1244701), (142, 981736), (188, 741524), (284, 490868), (329, 423728), (373, 373744), (376, 370762), (497, 280496), (568, 245434), (658, 211864), (746, 186872), (752, 185381), (994, 140248), (1136, 122717), (1316, 105932), (1492, 93436), (1988, 70124), (2611, 53392), (2632, 52966), (2984, 46718), (3337, 41776), (3976, 35062), (5222, 26696), (5264, 26483), (5968, 23359), (6674, 20888), (7952, 17531), (10444, 13348)]