128831690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{6563}}^1$

素因数の和:6734

約数の個数: 32

約数和(自身を含む): 251427456

約数和(自身を除く): 122595766

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1510, 1963, 3926, 6563, 9815, 13126, 19630, 32815, 65630, 85319, 170638, 426595, 853190, 991013, 1982026, 4955065, 9910130, 12883169, 25766338, 64415845, 128831690]

約数ペア:

[(1, 128831690), (2, 64415845), (5, 25766338), (10, 12883169), (13, 9910130), (26, 4955065), (65, 1982026), (130, 991013), (151, 853190), (302, 426595), (755, 170638), (1510, 85319), (1963, 65630), (3926, 32815), (6563, 19630), (9815, 13126)]