680702968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{407119}}^1$

素因数の和:407155

約数の個数: 32

約数和(自身を含む): 1465632000

約数和(自身を除く): 784929032

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 407119, 814238, 1628476, 3256952, 4478309, 7735261, 8956618, 15470522, 17913236, 30941044, 35826472, 61882088, 85087871, 170175742, 340351484, 680702968]

約数ペア:

[(1, 680702968), (2, 340351484), (4, 170175742), (8, 85087871), (11, 61882088), (19, 35826472), (22, 30941044), (38, 17913236), (44, 15470522), (76, 8956618), (88, 7735261), (152, 4478309), (209, 3256952), (418, 1628476), (836, 814238), (1672, 407119)]