40781923

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 53580800

約数和(自身を除く): 12798877

約数列:

[1, 7, 13, 19, 91, 103, 133, 229, 247, 721, 1339, 1603, 1729, 1957, 2977, 4351, 9373, 13699, 20839, 23587, 25441, 30457, 56563, 165109, 178087, 306631, 395941, 448153, 2146417, 3137071, 5825989, 40781923]

約数ペア:

[(1, 40781923), (7, 5825989), (13, 3137071), (19, 2146417), (91, 448153), (103, 395941), (133, 306631), (229, 178087), (247, 165109), (721, 56563), (1339, 30457), (1603, 25441), (1729, 23587), (1957, 20839), (2977, 13699), (4351, 9373)]