328658827

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 437760000

約数和(自身を除く): 109101173

約数列:

[1, 7, 19, 29, 37, 47, 49, 133, 203, 259, 329, 343, 551, 703, 893, 931, 1073, 1363, 1421, 1739, 1813, 2303, 3857, 4921, 6251, 6517, 7511, 9541, 9947, 12173, 12691, 16121, 20387, 25897, 26999, 33041, 34447, 43757, 50431, 52577, 66787, 85211, 142709, 181279, 188993, 231287, 241129, 306299, 353017, 368039, 467509, 596477, 958189, 998963, 1268953, 1619009, 2471119, 6707323, 6992741, 8882671, 11333063, 17297833, 46951261, 328658827]

約数ペア:

[(1, 328658827), (7, 46951261), (19, 17297833), (29, 11333063), (37, 8882671), (47, 6992741), (49, 6707323), (133, 2471119), (203, 1619009), (259, 1268953), (329, 998963), (343, 958189), (551, 596477), (703, 467509), (893, 368039), (931, 353017), (1073, 306299), (1363, 241129), (1421, 231287), (1739, 188993), (1813, 181279), (2303, 142709), (3857, 85211), (4921, 66787), (6251, 52577), (6517, 50431), (7511, 43757), (9541, 34447), (9947, 33041), (12173, 26999), (12691, 25897), (16121, 20387)]