23073505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 38223360

約数和(自身を除く): 15149855

約数列:

[1, 5, 7, 13, 17, 19, 35, 65, 85, 91, 95, 119, 133, 157, 221, 247, 323, 455, 595, 665, 785, 1099, 1105, 1235, 1547, 1615, 1729, 2041, 2261, 2669, 2983, 4199, 5495, 7735, 8645, 10205, 11305, 13345, 14287, 14915, 18683, 20881, 20995, 29393, 34697, 38779, 50711, 71435, 93415, 104405, 146965, 173485, 193895, 242879, 253555, 271453, 354977, 659243, 1214395, 1357265, 1774885, 3296215, 4614701, 23073505]

約数ペア:

[(1, 23073505), (5, 4614701), (7, 3296215), (13, 1774885), (17, 1357265), (19, 1214395), (35, 659243), (65, 354977), (85, 271453), (91, 253555), (95, 242879), (119, 193895), (133, 173485), (157, 146965), (221, 104405), (247, 93415), (323, 71435), (455, 50711), (595, 38779), (665, 34697), (785, 29393), (1099, 20995), (1105, 20881), (1235, 18683), (1547, 14915), (1615, 14287), (1729, 13345), (2041, 11305), (2261, 10205), (2669, 8645), (2983, 7735), (4199, 5495)]