221466635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{839}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 298045440

約数和(自身を除く): 76578805

約数列:

[1, 5, 13, 31, 65, 131, 155, 403, 655, 839, 1703, 2015, 4061, 4195, 8515, 10907, 20305, 26009, 52793, 54535, 109909, 130045, 263965, 338117, 549545, 1428817, 1690585, 3407179, 7144085, 17035895, 44293327, 221466635]

約数ペア:

[(1, 221466635), (5, 44293327), (13, 17035895), (31, 7144085), (65, 3407179), (131, 1690585), (155, 1428817), (403, 549545), (655, 338117), (839, 263965), (1703, 130045), (2015, 109909), (4061, 54535), (4195, 52793), (8515, 26009), (10907, 20305)]