216689424

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{644909}}^1$

素因数の和:644927

約数の個数: 40

約数和(自身を含む): 639750720

約数和(自身を除く): 423061296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 644909, 1289818, 1934727, 2579636, 3869454, 4514363, 5159272, 7738908, 9028726, 10318544, 13543089, 15477816, 18057452, 27086178, 30955632, 36114904, 54172356, 72229808, 108344712, 216689424]

約数ペア:

[(1, 216689424), (2, 108344712), (3, 72229808), (4, 54172356), (6, 36114904), (7, 30955632), (8, 27086178), (12, 18057452), (14, 15477816), (16, 13543089), (21, 10318544), (24, 9028726), (28, 7738908), (42, 5159272), (48, 4514363), (56, 3869454), (84, 2579636), (112, 1934727), (168, 1289818), (336, 644909)]