81996470

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{383}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 150405120

約数和(自身を除く): 68408650

約数列:

[1, 2, 5, 10, 79, 158, 271, 383, 395, 542, 766, 790, 1355, 1915, 2710, 3830, 21409, 30257, 42818, 60514, 103793, 107045, 151285, 207586, 214090, 302570, 518965, 1037930, 8199647, 16399294, 40998235, 81996470]

約数ペア:

[(1, 81996470), (2, 40998235), (5, 16399294), (10, 8199647), (79, 1037930), (158, 518965), (271, 302570), (383, 214090), (395, 207586), (542, 151285), (766, 107045), (790, 103793), (1355, 60514), (1915, 42818), (2710, 30257), (3830, 21409)]