205175082

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 479001600

約数和(自身を除く): 273826518

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 131, 178, 262, 267, 393, 419, 534, 623, 786, 838, 917, 1246, 1257, 1834, 1869, 2514, 2751, 2933, 3738, 5502, 5866, 8799, 11659, 17598, 23318, 34977, 37291, 54889, 69954, 74582, 81613, 109778, 111873, 163226, 164667, 223746, 244839, 261037, 329334, 384223, 489678, 522074, 768446, 783111, 1152669, 1566222, 2305338, 4885121, 9770242, 14655363, 29310726, 34195847, 68391694, 102587541, 205175082]

約数ペア:

[(1, 205175082), (2, 102587541), (3, 68391694), (6, 34195847), (7, 29310726), (14, 14655363), (21, 9770242), (42, 4885121), (89, 2305338), (131, 1566222), (178, 1152669), (262, 783111), (267, 768446), (393, 522074), (419, 489678), (534, 384223), (623, 329334), (786, 261037), (838, 244839), (917, 223746), (1246, 164667), (1257, 163226), (1834, 111873), (1869, 109778), (2514, 81613), (2751, 74582), (2933, 69954), (3738, 54889), (5502, 37291), (5866, 34977), (8799, 23318), (11659, 17598)]