657380052

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{4057}}^1$

素因数の和:4717

約数の個数: 72

約数和(自身を含む): 1902520256

約数和(自身を除く): 1245140204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 643, 1286, 1929, 2572, 3858, 4057, 4501, 5787, 7716, 8114, 9002, 11574, 12171, 13503, 16228, 18004, 23148, 24342, 27006, 28399, 36513, 40509, 48684, 54012, 56798, 73026, 81018, 85197, 113596, 146052, 162036, 170394, 255591, 340788, 511182, 1022364, 2608651, 5217302, 7825953, 10434604, 15651906, 18260557, 23477859, 31303812, 36521114, 46955718, 54781671, 73042228, 93911436, 109563342, 164345013, 219126684, 328690026, 657380052]

約数ペア:

[(1, 657380052), (2, 328690026), (3, 219126684), (4, 164345013), (6, 109563342), (7, 93911436), (9, 73042228), (12, 54781671), (14, 46955718), (18, 36521114), (21, 31303812), (28, 23477859), (36, 18260557), (42, 15651906), (63, 10434604), (84, 7825953), (126, 5217302), (252, 2608651), (643, 1022364), (1286, 511182), (1929, 340788), (2572, 255591), (3858, 170394), (4057, 162036), (4501, 146052), (5787, 113596), (7716, 85197), (8114, 81018), (9002, 73026), (11574, 56798), (12171, 54012), (13503, 48684), (16228, 40509), (18004, 36513), (23148, 28399), (24342, 27006)]