28051812

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^2\times {\mathrm{491}}^1$

素因数の和:550

約数の個数: 72

約数和(自身を含む): 76181280

約数和(自身を除く): 48129468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 491, 529, 621, 828, 982, 1058, 1242, 1473, 1587, 1964, 2116, 2484, 2946, 3174, 4419, 4761, 5892, 6348, 8838, 9522, 11293, 13257, 14283, 17676, 19044, 22586, 26514, 28566, 33879, 45172, 53028, 57132, 67758, 101637, 135516, 203274, 259739, 304911, 406548, 519478, 609822, 779217, 1038956, 1219644, 1558434, 2337651, 3116868, 4675302, 7012953, 9350604, 14025906, 28051812]

約数ペア:

[(1, 28051812), (2, 14025906), (3, 9350604), (4, 7012953), (6, 4675302), (9, 3116868), (12, 2337651), (18, 1558434), (23, 1219644), (27, 1038956), (36, 779217), (46, 609822), (54, 519478), (69, 406548), (92, 304911), (108, 259739), (138, 203274), (207, 135516), (276, 101637), (414, 67758), (491, 57132), (529, 53028), (621, 45172), (828, 33879), (982, 28566), (1058, 26514), (1242, 22586), (1473, 19044), (1587, 17676), (1964, 14283), (2116, 13257), (2484, 11293), (2946, 9522), (3174, 8838), (4419, 6348), (4761, 5892)]