4139948

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 7936992

約数和(自身を除く): 3797044

約数列:

[1, 2, 4, 19, 38, 47, 61, 76, 94, 122, 188, 244, 361, 722, 893, 1159, 1444, 1786, 2318, 2867, 3572, 4636, 5734, 11468, 16967, 22021, 33934, 44042, 54473, 67868, 88084, 108946, 217892, 1034987, 2069974, 4139948]

約数ペア:

[(1, 4139948), (2, 2069974), (4, 1034987), (19, 217892), (38, 108946), (47, 88084), (61, 67868), (76, 54473), (94, 44042), (122, 33934), (188, 22021), (244, 16967), (361, 11468), (722, 5734), (893, 4636), (1159, 3572), (1444, 2867), (1786, 2318)]