890472618

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{257}}^2$

素因数の和:636

約数の個数: 72

約数和(自身を含む): 2234280672

約数和(自身を除く): 1343808054

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 257, 321, 514, 642, 749, 771, 963, 1498, 1542, 1799, 1926, 2247, 2313, 3598, 4494, 4626, 5397, 6741, 10794, 13482, 16191, 27499, 32382, 54998, 66049, 82497, 132098, 164994, 192493, 198147, 247491, 384986, 396294, 462343, 494982, 577479, 594441, 924686, 1154958, 1188882, 1387029, 1732437, 2774058, 3464874, 4161087, 7067243, 8322174, 14134486, 21201729, 42403458, 49470701, 63605187, 98941402, 127210374, 148412103, 296824206, 445236309, 890472618]

約数ペア:

[(1, 890472618), (2, 445236309), (3, 296824206), (6, 148412103), (7, 127210374), (9, 98941402), (14, 63605187), (18, 49470701), (21, 42403458), (42, 21201729), (63, 14134486), (107, 8322174), (126, 7067243), (214, 4161087), (257, 3464874), (321, 2774058), (514, 1732437), (642, 1387029), (749, 1188882), (771, 1154958), (963, 924686), (1498, 594441), (1542, 577479), (1799, 494982), (1926, 462343), (2247, 396294), (2313, 384986), (3598, 247491), (4494, 198147), (4626, 192493), (5397, 164994), (6741, 132098), (10794, 82497), (13482, 66049), (16191, 54998), (27499, 32382)]