78419572

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{881}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 181960128

約数和(自身を除く): 103540556

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 289, 308, 374, 476, 578, 748, 881, 1156, 1309, 1762, 2023, 2618, 3179, 3524, 4046, 5236, 6167, 6358, 8092, 9691, 12334, 12716, 14977, 19382, 22253, 24668, 29954, 38764, 44506, 59908, 67837, 89012, 104839, 135674, 164747, 209678, 254609, 271348, 329494, 419356, 509218, 658988, 1018436, 1153229, 1782263, 2306458, 2800699, 3564526, 4612916, 5601398, 7129052, 11202796, 19604893, 39209786, 78419572]

約数ペア:

[(1, 78419572), (2, 39209786), (4, 19604893), (7, 11202796), (11, 7129052), (14, 5601398), (17, 4612916), (22, 3564526), (28, 2800699), (34, 2306458), (44, 1782263), (68, 1153229), (77, 1018436), (119, 658988), (154, 509218), (187, 419356), (238, 329494), (289, 271348), (308, 254609), (374, 209678), (476, 164747), (578, 135674), (748, 104839), (881, 89012), (1156, 67837), (1309, 59908), (1762, 44506), (2023, 38764), (2618, 29954), (3179, 24668), (3524, 22253), (4046, 19382), (5236, 14977), (6167, 12716), (6358, 12334), (8092, 9691)]