9968769980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{891661}}^1$

素因数の和:891726

約数の個数: 48

約数和(自身を含む): 23069079264

約数和(自身を除く): 13100309284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 891661, 1783322, 3566644, 4458305, 8916610, 11591593, 17833220, 23183186, 38341423, 46366372, 57957965, 76682846, 115915930, 153365692, 191707115, 231831860, 383414230, 498438499, 766828460, 996876998, 1993753996, 2492192495, 4984384990, 9968769980]

約数ペア:

[(1, 9968769980), (2, 4984384990), (4, 2492192495), (5, 1993753996), (10, 996876998), (13, 766828460), (20, 498438499), (26, 383414230), (43, 231831860), (52, 191707115), (65, 153365692), (86, 115915930), (130, 76682846), (172, 57957965), (215, 46366372), (260, 38341423), (430, 23183186), (559, 17833220), (860, 11591593), (1118, 8916610), (2236, 4458305), (2795, 3566644), (5590, 1783322), (11180, 891661)]