77711660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1163}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 176583456

約数和(自身を除く): 98871796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1028, 1163, 1285, 2326, 2570, 3341, 4652, 5140, 5815, 6682, 11630, 13364, 15119, 16705, 23260, 30238, 33410, 60476, 66820, 75595, 151190, 298891, 302380, 597782, 1195564, 1494455, 2988910, 3885583, 5977820, 7771166, 15542332, 19427915, 38855830, 77711660]

約数ペア:

[(1, 77711660), (2, 38855830), (4, 19427915), (5, 15542332), (10, 7771166), (13, 5977820), (20, 3885583), (26, 2988910), (52, 1494455), (65, 1195564), (130, 597782), (257, 302380), (260, 298891), (514, 151190), (1028, 75595), (1163, 66820), (1285, 60476), (2326, 33410), (2570, 30238), (3341, 23260), (4652, 16705), (5140, 15119), (5815, 13364), (6682, 11630)]