2159142205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 3094350336

約数和(自身を除く): 935208131

約数列:

[1, 5, 11, 17, 41, 55, 85, 151, 187, 205, 373, 451, 697, 755, 935, 1661, 1865, 2255, 2567, 3485, 4103, 6191, 6341, 7667, 8305, 12835, 15293, 20515, 28237, 30955, 31705, 38335, 56323, 68101, 69751, 76465, 105247, 141185, 168223, 259981, 281615, 340505, 348755, 526235, 619553, 841115, 957491, 1157717, 1299905, 2309243, 2859791, 3097765, 4787455, 5788585, 10532401, 11546215, 14298955, 25401673, 39257131, 52662005, 127008365, 196285655, 431828441, 2159142205]

約数ペア:

[(1, 2159142205), (5, 431828441), (11, 196285655), (17, 127008365), (41, 52662005), (55, 39257131), (85, 25401673), (151, 14298955), (187, 11546215), (205, 10532401), (373, 5788585), (451, 4787455), (697, 3097765), (755, 2859791), (935, 2309243), (1661, 1299905), (1865, 1157717), (2255, 957491), (2567, 841115), (3485, 619553), (4103, 526235), (6191, 348755), (6341, 340505), (7667, 281615), (8305, 259981), (12835, 168223), (15293, 141185), (20515, 105247), (28237, 76465), (30955, 69751), (31705, 68101), (38335, 56323)]