219339952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{55501}}^1$

素因数の和:55541

約数の個数: 40

約数和(自身を含む): 481757360

約数和(自身を除く): 262417408

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 55501, 111002, 222004, 444008, 721513, 888016, 1054519, 1443026, 2109038, 2886052, 4218076, 5772104, 8436152, 11544208, 13708747, 16872304, 27417494, 54834988, 109669976, 219339952]

約数ペア:

[(1, 219339952), (2, 109669976), (4, 54834988), (8, 27417494), (13, 16872304), (16, 13708747), (19, 11544208), (26, 8436152), (38, 5772104), (52, 4218076), (76, 2886052), (104, 2109038), (152, 1443026), (208, 1054519), (247, 888016), (304, 721513), (494, 444008), (988, 222004), (1976, 111002), (3952, 55501)]