78311012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21211}}^1$

素因数の和:21299

約数の個数: 24

約数和(自身を含む): 149671872

約数和(自身を除く): 71360860

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 21211, 42422, 84844, 275743, 551486, 1102972, 1505981, 3011962, 6023924, 19577753, 39155506, 78311012]

約数ペア:

[(1, 78311012), (2, 39155506), (4, 19577753), (13, 6023924), (26, 3011962), (52, 1505981), (71, 1102972), (142, 551486), (284, 275743), (923, 84844), (1846, 42422), (3692, 21211)]