2820489555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1487}}^1$

素因数の和:1716

約数の個数: 64

約数和(自身を含む): 4967682048

約数和(自身を除く): 2147192493

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 137, 195, 213, 355, 411, 685, 923, 1065, 1487, 1781, 2055, 2769, 4461, 4615, 5343, 7435, 8905, 9727, 13845, 19331, 22305, 26715, 29181, 48635, 57993, 96655, 105577, 126451, 145905, 203719, 289965, 316731, 379353, 527885, 611157, 632255, 1018595, 1372501, 1583655, 1896765, 2648347, 3055785, 4117503, 6862505, 7945041, 13241735, 14464049, 20587515, 39725205, 43392147, 72320245, 188032637, 216960735, 564097911, 940163185, 2820489555]

約数ペア:

[(1, 2820489555), (3, 940163185), (5, 564097911), (13, 216960735), (15, 188032637), (39, 72320245), (65, 43392147), (71, 39725205), (137, 20587515), (195, 14464049), (213, 13241735), (355, 7945041), (411, 6862505), (685, 4117503), (923, 3055785), (1065, 2648347), (1487, 1896765), (1781, 1583655), (2055, 1372501), (2769, 1018595), (4461, 632255), (4615, 611157), (5343, 527885), (7435, 379353), (8905, 316731), (9727, 289965), (13845, 203719), (19331, 145905), (22305, 126451), (26715, 105577), (29181, 96655), (48635, 57993)]