28609812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10321}}^1$

素因数の和:10349

約数の個数: 72

約数和(自身を含む): 90172992

約数和(自身を除く): 61563180

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 10321, 20642, 30963, 41284, 61926, 72247, 92889, 113531, 123852, 144494, 185778, 216741, 227062, 288988, 340593, 371556, 433482, 454124, 650223, 681186, 794717, 866964, 1021779, 1300446, 1362372, 1589434, 2043558, 2384151, 2600892, 3178868, 4087116, 4768302, 7152453, 9536604, 14304906, 28609812]

約数ペア:

[(1, 28609812), (2, 14304906), (3, 9536604), (4, 7152453), (6, 4768302), (7, 4087116), (9, 3178868), (11, 2600892), (12, 2384151), (14, 2043558), (18, 1589434), (21, 1362372), (22, 1300446), (28, 1021779), (33, 866964), (36, 794717), (42, 681186), (44, 650223), (63, 454124), (66, 433482), (77, 371556), (84, 340593), (99, 288988), (126, 227062), (132, 216741), (154, 185778), (198, 144494), (231, 123852), (252, 113531), (308, 92889), (396, 72247), (462, 61926), (693, 41284), (924, 30963), (1386, 20642), (2772, 10321)]