78621992

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1427}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 151139520

約数和(自身を除く): 72517528

約数列:

[1, 2, 4, 8, 71, 97, 142, 194, 284, 388, 568, 776, 1427, 2854, 5708, 6887, 11416, 13774, 27548, 55096, 101317, 138419, 202634, 276838, 405268, 553676, 810536, 1107352, 9827749, 19655498, 39310996, 78621992]

約数ペア:

[(1, 78621992), (2, 39310996), (4, 19655498), (8, 9827749), (71, 1107352), (97, 810536), (142, 553676), (194, 405268), (284, 276838), (388, 202634), (568, 138419), (776, 101317), (1427, 55096), (2854, 27548), (5708, 13774), (6887, 11416)]