28249830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{14947}}^1$

素因数の和:14970

約数の個数: 64

約数和(自身を含む): 86100480

約数和(自身を除く): 57850650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 14947, 29894, 44841, 74735, 89682, 104629, 134523, 149470, 209258, 224205, 269046, 313887, 403569, 448410, 523145, 627774, 672615, 807138, 941661, 1046290, 1345230, 1569435, 1883322, 2017845, 2824983, 3138870, 4035690, 4708305, 5649966, 9416610, 14124915, 28249830]

約数ペア:

[(1, 28249830), (2, 14124915), (3, 9416610), (5, 5649966), (6, 4708305), (7, 4035690), (9, 3138870), (10, 2824983), (14, 2017845), (15, 1883322), (18, 1569435), (21, 1345230), (27, 1046290), (30, 941661), (35, 807138), (42, 672615), (45, 627774), (54, 523145), (63, 448410), (70, 403569), (90, 313887), (105, 269046), (126, 224205), (135, 209258), (189, 149470), (210, 134523), (270, 104629), (315, 89682), (378, 74735), (630, 44841), (945, 29894), (1890, 14947)]