681567341

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 852085248

約数和(自身を除く): 170517907

約数列:

[1, 7, 13, 91, 151, 193, 257, 1057, 1351, 1799, 1963, 2509, 3341, 13741, 17563, 23387, 29143, 38807, 49601, 204001, 271649, 347207, 378859, 504491, 644813, 2652013, 3531437, 4513691, 7489751, 52428257, 97366763, 681567341]

約数ペア:

[(1, 681567341), (7, 97366763), (13, 52428257), (91, 7489751), (151, 4513691), (193, 3531437), (257, 2652013), (1057, 644813), (1351, 504491), (1799, 378859), (1963, 347207), (2509, 271649), (3341, 204001), (13741, 49601), (17563, 38807), (23387, 29143)]