27451970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 61641216

約数和(自身を除く): 34189246

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 97, 130, 182, 194, 311, 455, 485, 622, 679, 910, 970, 1261, 1358, 1555, 2177, 2522, 3110, 3395, 4043, 4354, 6305, 6790, 8086, 8827, 10885, 12610, 17654, 20215, 21770, 28301, 30167, 40430, 44135, 56602, 60334, 88270, 141505, 150835, 211169, 283010, 301670, 392171, 422338, 784342, 1055845, 1960855, 2111690, 2745197, 3921710, 5490394, 13725985, 27451970]

約数ペア:

[(1, 27451970), (2, 13725985), (5, 5490394), (7, 3921710), (10, 2745197), (13, 2111690), (14, 1960855), (26, 1055845), (35, 784342), (65, 422338), (70, 392171), (91, 301670), (97, 283010), (130, 211169), (182, 150835), (194, 141505), (311, 88270), (455, 60334), (485, 56602), (622, 44135), (679, 40430), (910, 30167), (970, 28301), (1261, 21770), (1358, 20215), (1555, 17654), (2177, 12610), (2522, 10885), (3110, 8827), (3395, 8086), (4043, 6790), (4354, 6305)]