258510005

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 340835040

約数和(自身を除く): 82325035

約数列:

[1, 5, 13, 65, 101, 169, 233, 505, 845, 1165, 1313, 2197, 3029, 6565, 10985, 15145, 17069, 23533, 39377, 85345, 117665, 196885, 221897, 305929, 511901, 1109485, 1529645, 2559505, 3977077, 19885385, 51702001, 258510005]

約数ペア:

[(1, 258510005), (5, 51702001), (13, 19885385), (65, 3977077), (101, 2559505), (169, 1529645), (233, 1109485), (505, 511901), (845, 305929), (1165, 221897), (1313, 196885), (2197, 117665), (3029, 85345), (6565, 39377), (10985, 23533), (15145, 17069)]