128439688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{5393}}^1$

素因数の和:5641

約数の個数: 32

約数和(自身を含む): 260530200

約数和(自身を除く): 132090512

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 229, 458, 916, 1832, 2977, 5393, 5954, 10786, 11908, 21572, 23816, 43144, 70109, 140218, 280436, 560872, 1234997, 2469994, 4939988, 9879976, 16054961, 32109922, 64219844, 128439688]

約数ペア:

[(1, 128439688), (2, 64219844), (4, 32109922), (8, 16054961), (13, 9879976), (26, 4939988), (52, 2469994), (104, 1234997), (229, 560872), (458, 280436), (916, 140218), (1832, 70109), (2977, 43144), (5393, 23816), (5954, 21572), (10786, 11908)]