28032228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{643}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 81576768

約数和(自身を除く): 53544540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 173, 252, 346, 519, 643, 692, 1038, 1211, 1286, 1557, 1929, 2076, 2422, 2572, 3114, 3633, 3858, 4501, 4844, 5787, 6228, 7266, 7716, 9002, 10899, 11574, 13503, 14532, 18004, 21798, 23148, 27006, 40509, 43596, 54012, 81018, 111239, 162036, 222478, 333717, 444956, 667434, 778673, 1001151, 1334868, 1557346, 2002302, 2336019, 3114692, 4004604, 4672038, 7008057, 9344076, 14016114, 28032228]

約数ペア:

[(1, 28032228), (2, 14016114), (3, 9344076), (4, 7008057), (6, 4672038), (7, 4004604), (9, 3114692), (12, 2336019), (14, 2002302), (18, 1557346), (21, 1334868), (28, 1001151), (36, 778673), (42, 667434), (63, 444956), (84, 333717), (126, 222478), (173, 162036), (252, 111239), (346, 81018), (519, 54012), (643, 43596), (692, 40509), (1038, 27006), (1211, 23148), (1286, 21798), (1557, 18004), (1929, 14532), (2076, 13503), (2422, 11574), (2572, 10899), (3114, 9002), (3633, 7716), (3858, 7266), (4501, 6228), (4844, 5787)]