643806728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{683}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 1329696000

約数和(自身を除く): 685889272

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 239, 478, 493, 683, 956, 986, 1366, 1912, 1972, 2732, 3944, 4063, 5464, 6931, 8126, 11611, 13862, 16252, 19807, 23222, 27724, 32504, 39614, 46444, 55448, 79228, 92888, 117827, 158456, 163237, 235654, 326474, 336719, 471308, 652948, 673438, 942616, 1305896, 1346876, 2693752, 2775029, 4733873, 5550058, 9467746, 11100116, 18935492, 22200232, 37870984, 80475841, 160951682, 321903364, 643806728]

約数ペア:

[(1, 643806728), (2, 321903364), (4, 160951682), (8, 80475841), (17, 37870984), (29, 22200232), (34, 18935492), (58, 11100116), (68, 9467746), (116, 5550058), (136, 4733873), (232, 2775029), (239, 2693752), (478, 1346876), (493, 1305896), (683, 942616), (956, 673438), (986, 652948), (1366, 471308), (1912, 336719), (1972, 326474), (2732, 235654), (3944, 163237), (4063, 158456), (5464, 117827), (6931, 92888), (8126, 79228), (11611, 55448), (13862, 46444), (16252, 39614), (19807, 32504), (23222, 27724)]