681551584

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{22877}}^1$

素因数の和:22920

約数の個数: 72

約数和(自身を含む): 1643097960

約数和(自身を除く): 961546376

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 784, 931, 1064, 1568, 1862, 2128, 3724, 4256, 7448, 14896, 22877, 29792, 45754, 91508, 160139, 183016, 320278, 366032, 434663, 640556, 732064, 869326, 1120973, 1281112, 1738652, 2241946, 2562224, 3042641, 3477304, 4483892, 5124448, 6085282, 6954608, 8967784, 12170564, 13909216, 17935568, 21298487, 24341128, 35871136, 42596974, 48682256, 85193948, 97364512, 170387896, 340775792, 681551584]

約数ペア:

[(1, 681551584), (2, 340775792), (4, 170387896), (7, 97364512), (8, 85193948), (14, 48682256), (16, 42596974), (19, 35871136), (28, 24341128), (32, 21298487), (38, 17935568), (49, 13909216), (56, 12170564), (76, 8967784), (98, 6954608), (112, 6085282), (133, 5124448), (152, 4483892), (196, 3477304), (224, 3042641), (266, 2562224), (304, 2241946), (392, 1738652), (532, 1281112), (608, 1120973), (784, 869326), (931, 732064), (1064, 640556), (1568, 434663), (1862, 366032), (2128, 320278), (3724, 183016), (4256, 160139), (7448, 91508), (14896, 45754), (22877, 29792)]