31997368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16193}}^1$

素因数の和:16231

約数の個数: 32

約数和(自身を含む): 68014800

約数和(自身を除く): 36017432

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 16193, 32386, 64772, 129544, 210509, 307667, 421018, 615334, 842036, 1230668, 1684072, 2461336, 3999671, 7999342, 15998684, 31997368]

約数ペア:

[(1, 31997368), (2, 15998684), (4, 7999342), (8, 3999671), (13, 2461336), (19, 1684072), (26, 1230668), (38, 842036), (52, 615334), (76, 421018), (104, 307667), (152, 210509), (247, 129544), (494, 64772), (988, 32386), (1976, 16193)]