1621551672

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{40289}}^1$

素因数の和:40357

約数の個数: 96

約数和(自身を含む): 4839634800

約数和(自身を除く): 3218083128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 43, 52, 72, 78, 86, 104, 117, 129, 156, 172, 234, 258, 312, 344, 387, 468, 516, 559, 774, 936, 1032, 1118, 1548, 1677, 2236, 3096, 3354, 4472, 5031, 6708, 10062, 13416, 20124, 40248, 40289, 80578, 120867, 161156, 241734, 322312, 362601, 483468, 523757, 725202, 966936, 1047514, 1450404, 1571271, 1732427, 2095028, 2900808, 3142542, 3464854, 4190056, 4713813, 5197281, 6285084, 6929708, 9427626, 10394562, 12570168, 13859416, 15591843, 18855252, 20789124, 22521551, 31183686, 37710504, 41578248, 45043102, 62367372, 67564653, 90086204, 124734744, 135129306, 180172408, 202693959, 270258612, 405387918, 540517224, 810775836, 1621551672]

約数ペア:

[(1, 1621551672), (2, 810775836), (3, 540517224), (4, 405387918), (6, 270258612), (8, 202693959), (9, 180172408), (12, 135129306), (13, 124734744), (18, 90086204), (24, 67564653), (26, 62367372), (36, 45043102), (39, 41578248), (43, 37710504), (52, 31183686), (72, 22521551), (78, 20789124), (86, 18855252), (104, 15591843), (117, 13859416), (129, 12570168), (156, 10394562), (172, 9427626), (234, 6929708), (258, 6285084), (312, 5197281), (344, 4713813), (387, 4190056), (468, 3464854), (516, 3142542), (559, 2900808), (774, 2095028), (936, 1732427), (1032, 1571271), (1118, 1450404), (1548, 1047514), (1677, 966936), (2236, 725202), (3096, 523757), (3354, 483468), (4472, 362601), (5031, 322312), (6708, 241734), (10062, 161156), (13416, 120867), (20124, 80578), (40248, 40289)]