127778724

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2099}}^1$

素因数の和:2217

約数の個数: 72

約数和(自身を含む): 343980000

約数和(自身を除く): 216201276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 89, 114, 171, 178, 228, 267, 342, 356, 534, 684, 801, 1068, 1602, 1691, 2099, 3204, 3382, 4198, 5073, 6297, 6764, 8396, 10146, 12594, 15219, 18891, 20292, 25188, 30438, 37782, 39881, 60876, 75564, 79762, 119643, 159524, 186811, 239286, 358929, 373622, 478572, 560433, 717858, 747244, 1120866, 1435716, 1681299, 2241732, 3362598, 3549409, 6725196, 7098818, 10648227, 14197636, 21296454, 31944681, 42592908, 63889362, 127778724]

約数ペア:

[(1, 127778724), (2, 63889362), (3, 42592908), (4, 31944681), (6, 21296454), (9, 14197636), (12, 10648227), (18, 7098818), (19, 6725196), (36, 3549409), (38, 3362598), (57, 2241732), (76, 1681299), (89, 1435716), (114, 1120866), (171, 747244), (178, 717858), (228, 560433), (267, 478572), (342, 373622), (356, 358929), (534, 239286), (684, 186811), (801, 159524), (1068, 119643), (1602, 79762), (1691, 75564), (2099, 60876), (3204, 39881), (3382, 37782), (4198, 30438), (5073, 25188), (6297, 20292), (6764, 18891), (8396, 15219), (10146, 12594)]