78887221

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 99590400

約数和(自身を除く): 20703179

約数列:

[1, 7, 19, 29, 113, 133, 181, 203, 551, 791, 1267, 2147, 3277, 3439, 3857, 5249, 15029, 20453, 22939, 24073, 36743, 62263, 99731, 143171, 388607, 435841, 593137, 698117, 2720249, 4151959, 11269603, 78887221]

約数ペア:

[(1, 78887221), (7, 11269603), (19, 4151959), (29, 2720249), (113, 698117), (133, 593137), (181, 435841), (203, 388607), (551, 143171), (791, 99731), (1267, 62263), (2147, 36743), (3277, 24073), (3439, 22939), (3857, 20453), (5249, 15029)]