66939470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 140132160

約数和(自身を除く): 73192690

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 41, 65, 82, 95, 130, 190, 205, 247, 410, 494, 533, 661, 779, 1066, 1235, 1322, 1558, 2470, 2665, 3305, 3895, 5330, 6610, 7790, 8593, 10127, 12559, 17186, 20254, 25118, 27101, 42965, 50635, 54202, 62795, 85930, 101270, 125590, 135505, 163267, 271010, 326534, 352313, 514919, 704626, 816335, 1029838, 1632670, 1761565, 2574595, 3523130, 5149190, 6693947, 13387894, 33469735, 66939470]

約数ペア:

[(1, 66939470), (2, 33469735), (5, 13387894), (10, 6693947), (13, 5149190), (19, 3523130), (26, 2574595), (38, 1761565), (41, 1632670), (65, 1029838), (82, 816335), (95, 704626), (130, 514919), (190, 352313), (205, 326534), (247, 271010), (410, 163267), (494, 135505), (533, 125590), (661, 101270), (779, 85930), (1066, 62795), (1235, 54202), (1322, 50635), (1558, 42965), (2470, 27101), (2665, 25118), (3305, 20254), (3895, 17186), (5330, 12559), (6610, 10127), (7790, 8593)]