1261891946

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1559

約数の個数: 64

約数和(自身を含む): 2368258560

約数和(自身を除く): 1106366614

約数列:

[1, 2, 7, 14, 17, 34, 53, 71, 106, 119, 142, 238, 371, 497, 742, 901, 994, 1207, 1409, 1802, 2414, 2818, 3763, 6307, 7526, 8449, 9863, 12614, 16898, 19726, 23953, 26341, 47906, 52682, 63971, 74677, 100039, 127942, 149354, 167671, 200078, 335342, 447797, 522739, 700273, 895594, 1045478, 1269509, 1400546, 1700663, 2539018, 3401326, 5302067, 8886563, 10604134, 11904641, 17773126, 23809282, 37114469, 74228938, 90135139, 180270278, 630945973, 1261891946]

約数ペア:

[(1, 1261891946), (2, 630945973), (7, 180270278), (14, 90135139), (17, 74228938), (34, 37114469), (53, 23809282), (71, 17773126), (106, 11904641), (119, 10604134), (142, 8886563), (238, 5302067), (371, 3401326), (497, 2539018), (742, 1700663), (901, 1400546), (994, 1269509), (1207, 1045478), (1409, 895594), (1802, 700273), (2414, 522739), (2818, 447797), (3763, 335342), (6307, 200078), (7526, 167671), (8449, 149354), (9863, 127942), (12614, 100039), (16898, 74677), (19726, 63971), (23953, 52682), (26341, 47906)]