689429916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{11447}}^1$

素因数の和:11703

約数の個数: 72

約数和(自身を含む): 2000194560

約数和(自身を除く): 1310764644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 239, 252, 478, 717, 956, 1434, 1673, 2151, 2868, 3346, 4302, 5019, 6692, 8604, 10038, 11447, 15057, 20076, 22894, 30114, 34341, 45788, 60228, 68682, 80129, 103023, 137364, 160258, 206046, 240387, 320516, 412092, 480774, 721161, 961548, 1442322, 2735833, 2884644, 5471666, 8207499, 10943332, 16414998, 19150831, 24622497, 32829996, 38301662, 49244994, 57452493, 76603324, 98489988, 114904986, 172357479, 229809972, 344714958, 689429916]

約数ペア:

[(1, 689429916), (2, 344714958), (3, 229809972), (4, 172357479), (6, 114904986), (7, 98489988), (9, 76603324), (12, 57452493), (14, 49244994), (18, 38301662), (21, 32829996), (28, 24622497), (36, 19150831), (42, 16414998), (63, 10943332), (84, 8207499), (126, 5471666), (239, 2884644), (252, 2735833), (478, 1442322), (717, 961548), (956, 721161), (1434, 480774), (1673, 412092), (2151, 320516), (2868, 240387), (3346, 206046), (4302, 160258), (5019, 137364), (6692, 103023), (8604, 80129), (10038, 68682), (11447, 60228), (15057, 45788), (20076, 34341), (22894, 30114)]