28637364

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 78599808

約数和(自身を除く): 49962444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 113, 147, 196, 226, 294, 339, 431, 452, 588, 678, 791, 862, 1293, 1356, 1582, 1724, 2373, 2586, 3017, 3164, 4746, 5172, 5537, 6034, 9051, 9492, 11074, 12068, 16611, 18102, 21119, 22148, 33222, 36204, 42238, 48703, 63357, 66444, 84476, 97406, 126714, 146109, 194812, 253428, 292218, 340921, 584436, 681842, 1022763, 1363684, 2045526, 2386447, 4091052, 4772894, 7159341, 9545788, 14318682, 28637364]

約数ペア:

[(1, 28637364), (2, 14318682), (3, 9545788), (4, 7159341), (6, 4772894), (7, 4091052), (12, 2386447), (14, 2045526), (21, 1363684), (28, 1022763), (42, 681842), (49, 584436), (84, 340921), (98, 292218), (113, 253428), (147, 194812), (196, 146109), (226, 126714), (294, 97406), (339, 84476), (431, 66444), (452, 63357), (588, 48703), (678, 42238), (791, 36204), (862, 33222), (1293, 22148), (1356, 21119), (1582, 18102), (1724, 16611), (2373, 12068), (2586, 11074), (3017, 9492), (3164, 9051), (4746, 6034), (5172, 5537)]