65530145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 86311680

約数和(自身を除く): 20781535

約数列:

[1, 5, 19, 37, 95, 103, 181, 185, 515, 703, 905, 1957, 3439, 3515, 3811, 6697, 9785, 17195, 18643, 19055, 33485, 72409, 93215, 127243, 354217, 362045, 636215, 689791, 1771085, 3448955, 13106029, 65530145]

約数ペア:

[(1, 65530145), (5, 13106029), (19, 3448955), (37, 1771085), (95, 689791), (103, 636215), (181, 362045), (185, 354217), (515, 127243), (703, 93215), (905, 72409), (1957, 33485), (3439, 19055), (3515, 18643), (3811, 17195), (6697, 9785)]