678983492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{2089}}^1$

素因数の和:2276

約数の個数: 48

約数和(自身を含む): 1327233600

約数和(自身を除く): 648250108

約数列:

[1, 2, 4, 11, 22, 44, 83, 89, 166, 178, 332, 356, 913, 979, 1826, 1958, 2089, 3652, 3916, 4178, 7387, 8356, 14774, 22979, 29548, 45958, 81257, 91916, 162514, 173387, 185921, 325028, 346774, 371842, 693548, 743684, 1907257, 2045131, 3814514, 4090262, 7629028, 8180524, 15431443, 30862886, 61725772, 169745873, 339491746, 678983492]

約数ペア:

[(1, 678983492), (2, 339491746), (4, 169745873), (11, 61725772), (22, 30862886), (44, 15431443), (83, 8180524), (89, 7629028), (166, 4090262), (178, 3814514), (332, 2045131), (356, 1907257), (913, 743684), (979, 693548), (1826, 371842), (1958, 346774), (2089, 325028), (3652, 185921), (3916, 173387), (4178, 162514), (7387, 91916), (8356, 81257), (14774, 45958), (22979, 29548)]