208575318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 485388288

約数和(自身を除く): 276812970

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 167, 227, 262, 334, 393, 454, 501, 681, 786, 917, 1002, 1169, 1362, 1589, 1834, 2338, 2751, 3178, 3507, 4767, 5502, 7014, 9534, 21877, 29737, 37909, 43754, 59474, 65631, 75818, 89211, 113727, 131262, 153139, 178422, 208159, 227454, 265363, 306278, 416318, 459417, 530726, 624477, 796089, 918834, 1248954, 1592178, 4966079, 9932158, 14898237, 29796474, 34762553, 69525106, 104287659, 208575318]

約数ペア:

[(1, 208575318), (2, 104287659), (3, 69525106), (6, 34762553), (7, 29796474), (14, 14898237), (21, 9932158), (42, 4966079), (131, 1592178), (167, 1248954), (227, 918834), (262, 796089), (334, 624477), (393, 530726), (454, 459417), (501, 416318), (681, 306278), (786, 265363), (917, 227454), (1002, 208159), (1169, 178422), (1362, 153139), (1589, 131262), (1834, 113727), (2338, 89211), (2751, 75818), (3178, 65631), (3507, 59474), (4767, 43754), (5502, 37909), (7014, 29737), (9534, 21877)]