28787724

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{4231}}^1$

素因数の和:4257

約数の個数: 72

約数和(自身を含む): 86265088

約数和(自身を除く): 57477364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 4231, 6804, 8462, 12693, 16924, 25386, 29617, 38079, 50772, 59234, 76158, 88851, 114237, 118468, 152316, 177702, 228474, 266553, 342711, 355404, 456948, 533106, 685422, 799659, 1028133, 1066212, 1370844, 1599318, 2056266, 2398977, 3198636, 4112532, 4797954, 7196931, 9595908, 14393862, 28787724]

約数ペア:

[(1, 28787724), (2, 14393862), (3, 9595908), (4, 7196931), (6, 4797954), (7, 4112532), (9, 3198636), (12, 2398977), (14, 2056266), (18, 1599318), (21, 1370844), (27, 1066212), (28, 1028133), (36, 799659), (42, 685422), (54, 533106), (63, 456948), (81, 355404), (84, 342711), (108, 266553), (126, 228474), (162, 177702), (189, 152316), (243, 118468), (252, 114237), (324, 88851), (378, 76158), (486, 59234), (567, 50772), (756, 38079), (972, 29617), (1134, 25386), (1701, 16924), (2268, 12693), (3402, 8462), (4231, 6804)]