388995672

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1246781}}^1$

素因数の和:1246803

約数の個数: 32

約数和(自身を含む): 1047296880

約数和(自身を除く): 658301208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1246781, 2493562, 3740343, 4987124, 7480686, 9974248, 14961372, 16208153, 29922744, 32416306, 48624459, 64832612, 97248918, 129665224, 194497836, 388995672]

約数ペア:

[(1, 388995672), (2, 194497836), (3, 129665224), (4, 97248918), (6, 64832612), (8, 48624459), (12, 32416306), (13, 29922744), (24, 16208153), (26, 14961372), (39, 9974248), (52, 7480686), (78, 4987124), (104, 3740343), (156, 2493562), (312, 1246781)]