78691268

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 149452800

約数和(自身を除く): 70761532

約数列:

[1, 2, 4, 29, 31, 58, 62, 79, 116, 124, 158, 277, 316, 554, 899, 1108, 1798, 2291, 2449, 3596, 4582, 4898, 8033, 8587, 9164, 9796, 16066, 17174, 21883, 32132, 34348, 43766, 71021, 87532, 142042, 249023, 284084, 498046, 634607, 678373, 996092, 1269214, 1356746, 2538428, 2713492, 19672817, 39345634, 78691268]

約数ペア:

[(1, 78691268), (2, 39345634), (4, 19672817), (29, 2713492), (31, 2538428), (58, 1356746), (62, 1269214), (79, 996092), (116, 678373), (124, 634607), (158, 498046), (277, 284084), (316, 249023), (554, 142042), (899, 87532), (1108, 71021), (1798, 43766), (2291, 34348), (2449, 32132), (3596, 21883), (4582, 17174), (4898, 16066), (8033, 9796), (8587, 9164)]