651318928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 1420909056

約数和(自身を除く): 769590128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 83, 104, 124, 166, 208, 248, 332, 403, 496, 664, 806, 1079, 1217, 1328, 1612, 2158, 2434, 2573, 3224, 4316, 4868, 5146, 6448, 8632, 9736, 10292, 15821, 17264, 19472, 20584, 31642, 33449, 37727, 41168, 63284, 66898, 75454, 101011, 126568, 133796, 150908, 202022, 253136, 267592, 301816, 404044, 490451, 535184, 603632, 808088, 980902, 1313143, 1616176, 1961804, 2626286, 3131341, 3923608, 5252572, 6262682, 7847216, 10505144, 12525364, 21010288, 25050728, 40707433, 50101456, 81414866, 162829732, 325659464, 651318928]

約数ペア:

[(1, 651318928), (2, 325659464), (4, 162829732), (8, 81414866), (13, 50101456), (16, 40707433), (26, 25050728), (31, 21010288), (52, 12525364), (62, 10505144), (83, 7847216), (104, 6262682), (124, 5252572), (166, 3923608), (208, 3131341), (248, 2626286), (332, 1961804), (403, 1616176), (496, 1313143), (664, 980902), (806, 808088), (1079, 603632), (1217, 535184), (1328, 490451), (1612, 404044), (2158, 301816), (2434, 267592), (2573, 253136), (3224, 202022), (4316, 150908), (4868, 133796), (5146, 126568), (6448, 101011), (8632, 75454), (9736, 66898), (10292, 63284), (15821, 41168), (17264, 37727), (19472, 33449), (20584, 31642)]