258192016

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{2083}}^1$

素因数の和:2279

約数の個数: 40

約数和(自身を含む): 512697344

約数和(自身を除く): 254505328

約数列:

[1, 2, 4, 8, 16, 61, 122, 127, 244, 254, 488, 508, 976, 1016, 2032, 2083, 4166, 7747, 8332, 15494, 16664, 30988, 33328, 61976, 123952, 127063, 254126, 264541, 508252, 529082, 1016504, 1058164, 2033008, 2116328, 4232656, 16137001, 32274002, 64548004, 129096008, 258192016]

約数ペア:

[(1, 258192016), (2, 129096008), (4, 64548004), (8, 32274002), (16, 16137001), (61, 4232656), (122, 2116328), (127, 2033008), (244, 1058164), (254, 1016504), (488, 529082), (508, 508252), (976, 264541), (1016, 254126), (2032, 127063), (2083, 123952), (4166, 61976), (7747, 33328), (8332, 30988), (15494, 16664)]