7181990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 13880160

約数和(自身を除く): 6698170

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 166, 170, 415, 509, 830, 1018, 1411, 2545, 2822, 5090, 7055, 8653, 14110, 17306, 42247, 43265, 84494, 86530, 211235, 422470, 718199, 1436398, 3590995, 7181990]

約数ペア:

[(1, 7181990), (2, 3590995), (5, 1436398), (10, 718199), (17, 422470), (34, 211235), (83, 86530), (85, 84494), (166, 43265), (170, 42247), (415, 17306), (509, 14110), (830, 8653), (1018, 7055), (1411, 5090), (2545, 2822)]