28778484

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2879}}^1$

素因数の和:2917

約数の個数: 72

約数和(自身を含む): 82736640

約数和(自身を除く): 53958156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 84, 98, 102, 119, 147, 196, 204, 238, 294, 357, 476, 588, 714, 833, 1428, 1666, 2499, 2879, 3332, 4998, 5758, 8637, 9996, 11516, 17274, 20153, 34548, 40306, 48943, 60459, 80612, 97886, 120918, 141071, 146829, 195772, 241836, 282142, 293658, 342601, 423213, 564284, 587316, 685202, 846426, 1027803, 1370404, 1692852, 2055606, 2398207, 4111212, 4796414, 7194621, 9592828, 14389242, 28778484]

約数ペア:

[(1, 28778484), (2, 14389242), (3, 9592828), (4, 7194621), (6, 4796414), (7, 4111212), (12, 2398207), (14, 2055606), (17, 1692852), (21, 1370404), (28, 1027803), (34, 846426), (42, 685202), (49, 587316), (51, 564284), (68, 423213), (84, 342601), (98, 293658), (102, 282142), (119, 241836), (147, 195772), (196, 146829), (204, 141071), (238, 120918), (294, 97886), (357, 80612), (476, 60459), (588, 48943), (714, 40306), (833, 34548), (1428, 20153), (1666, 17274), (2499, 11516), (2879, 9996), (3332, 8637), (4998, 5758)]