202121172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3251}}^1$

素因数の和:3429

約数の個数: 72

約数和(自身を含む): 561087072

約数和(自身を除く): 358965900

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 157, 198, 314, 396, 471, 628, 942, 1413, 1727, 1884, 2826, 3251, 3454, 5181, 5652, 6502, 6908, 9753, 10362, 13004, 15543, 19506, 20724, 29259, 31086, 35761, 39012, 58518, 62172, 71522, 107283, 117036, 143044, 214566, 321849, 429132, 510407, 643698, 1020814, 1287396, 1531221, 2041628, 3062442, 4593663, 5614477, 6124884, 9187326, 11228954, 16843431, 18374652, 22457908, 33686862, 50530293, 67373724, 101060586, 202121172]

約数ペア:

[(1, 202121172), (2, 101060586), (3, 67373724), (4, 50530293), (6, 33686862), (9, 22457908), (11, 18374652), (12, 16843431), (18, 11228954), (22, 9187326), (33, 6124884), (36, 5614477), (44, 4593663), (66, 3062442), (99, 2041628), (132, 1531221), (157, 1287396), (198, 1020814), (314, 643698), (396, 510407), (471, 429132), (628, 321849), (942, 214566), (1413, 143044), (1727, 117036), (1884, 107283), (2826, 71522), (3251, 62172), (3454, 58518), (5181, 39012), (5652, 35761), (6502, 31086), (6908, 29259), (9753, 20724), (10362, 19506), (13004, 15543)]