127989472

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16193}}^1$

素因数の和:16235

約数の個数: 48

約数和(自身を含む): 285662160

約数和(自身を除く): 157672688

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 16193, 32386, 64772, 129544, 210509, 259088, 307667, 421018, 518176, 615334, 842036, 1230668, 1684072, 2461336, 3368144, 3999671, 4922672, 6736288, 7999342, 9845344, 15998684, 31997368, 63994736, 127989472]

約数ペア:

[(1, 127989472), (2, 63994736), (4, 31997368), (8, 15998684), (13, 9845344), (16, 7999342), (19, 6736288), (26, 4922672), (32, 3999671), (38, 3368144), (52, 2461336), (76, 1684072), (104, 1230668), (152, 842036), (208, 615334), (247, 518176), (304, 421018), (416, 307667), (494, 259088), (608, 210509), (988, 129544), (1976, 64772), (3952, 32386), (7904, 16193)]