1931930390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{243623}}^1$

素因数の和:243704

約数の個数: 32

約数和(自身を含む): 3806381376

約数和(自身を除く): 1874450986

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 243623, 487246, 1218115, 2436230, 3167099, 6334198, 14861003, 15835495, 29722006, 31670990, 74305015, 148610030, 193193039, 386386078, 965965195, 1931930390]

約数ペア:

[(1, 1931930390), (2, 965965195), (5, 386386078), (10, 193193039), (13, 148610030), (26, 74305015), (61, 31670990), (65, 29722006), (122, 15835495), (130, 14861003), (305, 6334198), (610, 3167099), (793, 2436230), (1586, 1218115), (3965, 487246), (7930, 243623)]