209238228

素因数分解:

$2^2\times 3^4\times {\mathrm{661}}^1\times {\mathrm{977}}^1$

素因数の和:1654

約数の個数: 60

約数和(自身を含む): 548378292

約数和(自身を除く): 339140064

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 661, 977, 1322, 1954, 1983, 2644, 2931, 3908, 3966, 5862, 5949, 7932, 8793, 11724, 11898, 17586, 17847, 23796, 26379, 35172, 35694, 52758, 53541, 71388, 79137, 105516, 107082, 158274, 214164, 316548, 645797, 1291594, 1937391, 2583188, 3874782, 5812173, 7749564, 11624346, 17436519, 23248692, 34873038, 52309557, 69746076, 104619114, 209238228]

約数ペア:

[(1, 209238228), (2, 104619114), (3, 69746076), (4, 52309557), (6, 34873038), (9, 23248692), (12, 17436519), (18, 11624346), (27, 7749564), (36, 5812173), (54, 3874782), (81, 2583188), (108, 1937391), (162, 1291594), (324, 645797), (661, 316548), (977, 214164), (1322, 158274), (1954, 107082), (1983, 105516), (2644, 79137), (2931, 71388), (3908, 53541), (3966, 52758), (5862, 35694), (5949, 35172), (7932, 26379), (8793, 23796), (11724, 17847), (11898, 17586)]