131661790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{16603}}^1$

素因数の和:16684

約数の個数: 32

約数和(自身を含む): 259420896

約数和(自身を除く): 127759106

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 16603, 33206, 83015, 166030, 215839, 431678, 1012783, 1079195, 2025566, 2158390, 5063915, 10127830, 13166179, 26332358, 65830895, 131661790]

約数ペア:

[(1, 131661790), (2, 65830895), (5, 26332358), (10, 13166179), (13, 10127830), (26, 5063915), (61, 2158390), (65, 2025566), (122, 1079195), (130, 1012783), (305, 431678), (610, 215839), (793, 166030), (1586, 83015), (3965, 33206), (7930, 16603)]