1213444505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{757}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 1811049984

約数和(自身を除く): 597605479

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 271, 455, 757, 845, 1183, 1355, 1897, 3523, 3785, 5299, 5915, 9485, 9841, 17615, 24661, 26495, 45799, 49205, 68887, 123305, 127933, 205147, 228995, 320593, 344435, 639665, 895531, 1025735, 1436029, 1602965, 2666911, 4477655, 7180145, 13334555, 18668377, 34669843, 93341885, 173349215, 242688901, 1213444505]

約数ペア:

[(1, 1213444505), (5, 242688901), (7, 173349215), (13, 93341885), (35, 34669843), (65, 18668377), (91, 13334555), (169, 7180145), (271, 4477655), (455, 2666911), (757, 1602965), (845, 1436029), (1183, 1025735), (1355, 895531), (1897, 639665), (3523, 344435), (3785, 320593), (5299, 228995), (5915, 205147), (9485, 127933), (9841, 123305), (17615, 68887), (24661, 49205), (26495, 45799)]