1389743984

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{431}}^1\times {\mathrm{2551}}^1$

素因数の和:3069

約数の個数: 40

約数和(自身を含む): 2734110720

約数和(自身を除く): 1344366736

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 431, 632, 862, 1264, 1724, 2551, 3448, 5102, 6896, 10204, 20408, 34049, 40816, 68098, 136196, 201529, 272392, 403058, 544784, 806116, 1099481, 1612232, 2198962, 3224464, 4397924, 8795848, 17591696, 86858999, 173717998, 347435996, 694871992, 1389743984]

約数ペア:

[(1, 1389743984), (2, 694871992), (4, 347435996), (8, 173717998), (16, 86858999), (79, 17591696), (158, 8795848), (316, 4397924), (431, 3224464), (632, 2198962), (862, 1612232), (1264, 1099481), (1724, 806116), (2551, 544784), (3448, 403058), (5102, 272392), (6896, 201529), (10204, 136196), (20408, 68098), (34049, 40816)]