678552304

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{683}}^1\times {\mathrm{2003}}^1$

素因数の和:2725

約数の個数: 40

約数和(自身を含む): 1359770112

約数和(自身を除く): 681217808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 683, 1366, 2003, 2732, 4006, 5464, 8012, 10928, 16024, 21173, 32048, 42346, 62093, 84692, 124186, 169384, 248372, 338768, 496744, 993488, 1368049, 2736098, 5472196, 10944392, 21888784, 42409519, 84819038, 169638076, 339276152, 678552304]

約数ペア:

[(1, 678552304), (2, 339276152), (4, 169638076), (8, 84819038), (16, 42409519), (31, 21888784), (62, 10944392), (124, 5472196), (248, 2736098), (496, 1368049), (683, 993488), (1366, 496744), (2003, 338768), (2732, 248372), (4006, 169384), (5464, 124186), (8012, 84692), (10928, 62093), (16024, 42346), (21173, 32048)]