28293012

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1931}}^1$

素因数の和:1989

約数の個数: 72

約数和(自身を含む): 80170272

約数和(自身を除く): 51877260

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1332, 1628, 1931, 2442, 3663, 3862, 4884, 5793, 7326, 7724, 11586, 14652, 17379, 21241, 23172, 34758, 42482, 63723, 69516, 71447, 84964, 127446, 142894, 191169, 214341, 254892, 285788, 382338, 428682, 643023, 764676, 785917, 857364, 1286046, 1571834, 2357751, 2572092, 3143668, 4715502, 7073253, 9431004, 14146506, 28293012]

約数ペア:

[(1, 28293012), (2, 14146506), (3, 9431004), (4, 7073253), (6, 4715502), (9, 3143668), (11, 2572092), (12, 2357751), (18, 1571834), (22, 1286046), (33, 857364), (36, 785917), (37, 764676), (44, 643023), (66, 428682), (74, 382338), (99, 285788), (111, 254892), (132, 214341), (148, 191169), (198, 142894), (222, 127446), (333, 84964), (396, 71447), (407, 69516), (444, 63723), (666, 42482), (814, 34758), (1221, 23172), (1332, 21241), (1628, 17379), (1931, 14652), (2442, 11586), (3663, 7724), (3862, 7326), (4884, 5793)]