281930306

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 520525824

約数和(自身を除く): 238595518

約数列:

[1, 2, 7, 14, 31, 37, 62, 74, 97, 181, 194, 217, 259, 362, 434, 518, 679, 1147, 1267, 1358, 2294, 2534, 3007, 3589, 5611, 6014, 6697, 7178, 8029, 11222, 13394, 16058, 17557, 21049, 25123, 35114, 39277, 42098, 46879, 50246, 78554, 93758, 111259, 122899, 207607, 222518, 245798, 415214, 544267, 649609, 778813, 1088534, 1299218, 1453249, 1557626, 2906498, 3809869, 4547263, 7619738, 9094526, 20137879, 40275758, 140965153, 281930306]

約数ペア:

[(1, 281930306), (2, 140965153), (7, 40275758), (14, 20137879), (31, 9094526), (37, 7619738), (62, 4547263), (74, 3809869), (97, 2906498), (181, 1557626), (194, 1453249), (217, 1299218), (259, 1088534), (362, 778813), (434, 649609), (518, 544267), (679, 415214), (1147, 245798), (1267, 222518), (1358, 207607), (2294, 122899), (2534, 111259), (3007, 93758), (3589, 78554), (5611, 50246), (6014, 46879), (6697, 42098), (7178, 39277), (8029, 35114), (11222, 25123), (13394, 21049), (16058, 17557)]