218701584

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{21391}}^1$

素因数の和:21476

約数の個数: 60

約数和(自身を含む): 620710272

約数和(自身を除く): 402008688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 3408, 5112, 10224, 21391, 42782, 64173, 85564, 128346, 171128, 192519, 256692, 342256, 385038, 513384, 770076, 1026768, 1518761, 1540152, 3037522, 3080304, 4556283, 6075044, 9112566, 12150088, 13668849, 18225132, 24300176, 27337698, 36450264, 54675396, 72900528, 109350792, 218701584]

約数ペア:

[(1, 218701584), (2, 109350792), (3, 72900528), (4, 54675396), (6, 36450264), (8, 27337698), (9, 24300176), (12, 18225132), (16, 13668849), (18, 12150088), (24, 9112566), (36, 6075044), (48, 4556283), (71, 3080304), (72, 3037522), (142, 1540152), (144, 1518761), (213, 1026768), (284, 770076), (426, 513384), (568, 385038), (639, 342256), (852, 256692), (1136, 192519), (1278, 171128), (1704, 128346), (2556, 85564), (3408, 64173), (5112, 42782), (10224, 21391)]