800000019

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2969}}^1$

素因数の和:3049

約数の個数: 72

約数和(自身を含む): 1478917440

約数和(自身を除く): 678917421

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 49, 63, 91, 117, 141, 147, 273, 329, 423, 441, 611, 637, 819, 987, 1833, 1911, 2303, 2961, 2969, 4277, 5499, 5733, 6909, 8907, 12831, 20727, 20783, 26721, 29939, 38493, 38597, 62349, 89817, 115791, 139543, 145481, 187047, 269451, 270179, 347373, 418629, 436443, 810537, 976801, 1255887, 1309329, 1814059, 1891253, 2431611, 2930403, 5442177, 5673759, 6837607, 8791209, 12698413, 16326531, 17021277, 20512821, 38095239, 61538463, 88888891, 114285717, 266666673, 800000019]

約数ペア:

[(1, 800000019), (3, 266666673), (7, 114285717), (9, 88888891), (13, 61538463), (21, 38095239), (39, 20512821), (47, 17021277), (49, 16326531), (63, 12698413), (91, 8791209), (117, 6837607), (141, 5673759), (147, 5442177), (273, 2930403), (329, 2431611), (423, 1891253), (441, 1814059), (611, 1309329), (637, 1255887), (819, 976801), (987, 810537), (1833, 436443), (1911, 418629), (2303, 347373), (2961, 270179), (2969, 269451), (4277, 187047), (5499, 145481), (5733, 139543), (6909, 115791), (8907, 89817), (12831, 62349), (20727, 38597), (20783, 38493), (26721, 29939)]