72406516

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 160631016

約数和(自身を除く): 88224500

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 157, 181, 182, 196, 314, 362, 364, 628, 637, 724, 1099, 1267, 1274, 2041, 2198, 2353, 2534, 2548, 4082, 4396, 4706, 5068, 7693, 8164, 8869, 9412, 14287, 15386, 16471, 17738, 28417, 28574, 30772, 32942, 35476, 56834, 57148, 65884, 100009, 113668, 115297, 198919, 200018, 230594, 369421, 397838, 400036, 461188, 738842, 795676, 1392433, 1477684, 2585947, 2784866, 5171894, 5569732, 10343788, 18101629, 36203258, 72406516]

約数ペア:

[(1, 72406516), (2, 36203258), (4, 18101629), (7, 10343788), (13, 5569732), (14, 5171894), (26, 2784866), (28, 2585947), (49, 1477684), (52, 1392433), (91, 795676), (98, 738842), (157, 461188), (181, 400036), (182, 397838), (196, 369421), (314, 230594), (362, 200018), (364, 198919), (628, 115297), (637, 113668), (724, 100009), (1099, 65884), (1267, 57148), (1274, 56834), (2041, 35476), (2198, 32942), (2353, 30772), (2534, 28574), (2548, 28417), (4082, 17738), (4396, 16471), (4706, 15386), (5068, 14287), (7693, 9412), (8164, 8869)]