218680938

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19949}}^1$

素因数の和:19996

約数の個数: 64

約数和(自身を含む): 574560000

約数和(自身を除く): 355879062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 87, 126, 174, 189, 203, 261, 378, 406, 522, 609, 783, 1218, 1566, 1827, 3654, 5481, 10962, 19949, 39898, 59847, 119694, 139643, 179541, 279286, 359082, 418929, 538623, 578521, 837858, 1077246, 1157042, 1256787, 1735563, 2513574, 3471126, 3770361, 4049647, 5206689, 7540722, 8099294, 10413378, 12148941, 15620067, 24297882, 31240134, 36446823, 72893646, 109340469, 218680938]

約数ペア:

[(1, 218680938), (2, 109340469), (3, 72893646), (6, 36446823), (7, 31240134), (9, 24297882), (14, 15620067), (18, 12148941), (21, 10413378), (27, 8099294), (29, 7540722), (42, 5206689), (54, 4049647), (58, 3770361), (63, 3471126), (87, 2513574), (126, 1735563), (174, 1256787), (189, 1157042), (203, 1077246), (261, 837858), (378, 578521), (406, 538623), (522, 418929), (609, 359082), (783, 279286), (1218, 179541), (1566, 139643), (1827, 119694), (3654, 59847), (5481, 39898), (10962, 19949)]