156777790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{6971}}^1$

素因数の和:7164

約数の個数: 32

約数和(自身を含む): 305708256

約数和(自身を除く): 148930466

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1730, 2249, 4498, 6971, 11245, 13942, 22490, 34855, 69710, 90623, 181246, 453115, 906230, 1205983, 2411966, 6029915, 12059830, 15677779, 31355558, 78388895, 156777790]

約数ペア:

[(1, 156777790), (2, 78388895), (5, 31355558), (10, 15677779), (13, 12059830), (26, 6029915), (65, 2411966), (130, 1205983), (173, 906230), (346, 453115), (865, 181246), (1730, 90623), (2249, 69710), (4498, 34855), (6971, 22490), (11245, 13942)]