71620388

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{397}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 152449920

約数和(自身を除く): 80829532

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 379, 397, 476, 758, 794, 1516, 1588, 2653, 2779, 5306, 5558, 6443, 6749, 10612, 11116, 12886, 13498, 25772, 26996, 45101, 47243, 90202, 94486, 150463, 180404, 188972, 300926, 601852, 1053241, 2106482, 2557871, 4212964, 5115742, 10231484, 17905097, 35810194, 71620388]

約数ペア:

[(1, 71620388), (2, 35810194), (4, 17905097), (7, 10231484), (14, 5115742), (17, 4212964), (28, 2557871), (34, 2106482), (68, 1053241), (119, 601852), (238, 300926), (379, 188972), (397, 180404), (476, 150463), (758, 94486), (794, 90202), (1516, 47243), (1588, 45101), (2653, 26996), (2779, 25772), (5306, 13498), (5558, 12886), (6443, 11116), (6749, 10612)]