278538234

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9133}}^1$

素因数の和:9191

約数の個数: 64

約数和(自身を含む): 662909184

約数和(自身を除く): 384370950

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 34, 39, 46, 51, 69, 78, 102, 138, 221, 299, 391, 442, 598, 663, 782, 897, 1173, 1326, 1794, 2346, 5083, 9133, 10166, 15249, 18266, 27399, 30498, 54798, 118729, 155261, 210059, 237458, 310522, 356187, 420118, 465783, 630177, 712374, 931566, 1260354, 2018393, 2730767, 3571003, 4036786, 5461534, 6055179, 7142006, 8192301, 10713009, 12110358, 16384602, 21426018, 46423039, 92846078, 139269117, 278538234]

約数ペア:

[(1, 278538234), (2, 139269117), (3, 92846078), (6, 46423039), (13, 21426018), (17, 16384602), (23, 12110358), (26, 10713009), (34, 8192301), (39, 7142006), (46, 6055179), (51, 5461534), (69, 4036786), (78, 3571003), (102, 2730767), (138, 2018393), (221, 1260354), (299, 931566), (391, 712374), (442, 630177), (598, 465783), (663, 420118), (782, 356187), (897, 310522), (1173, 237458), (1326, 210059), (1794, 155261), (2346, 118729), (5083, 54798), (9133, 30498), (10166, 27399), (15249, 18266)]