440642046

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{317}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 969325056

約数和(自身を除く): 528683010

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 251, 317, 426, 502, 634, 753, 923, 951, 1506, 1846, 1902, 2769, 3263, 4121, 5538, 6526, 8242, 9789, 12363, 17821, 19578, 22507, 24726, 35642, 45014, 53463, 67521, 79567, 106926, 135042, 159134, 231673, 238701, 292591, 463346, 477402, 585182, 695019, 877773, 1034371, 1390038, 1755546, 2068742, 3103113, 5649257, 6206226, 11298514, 16947771, 33895542, 73440341, 146880682, 220321023, 440642046]

約数ペア:

[(1, 440642046), (2, 220321023), (3, 146880682), (6, 73440341), (13, 33895542), (26, 16947771), (39, 11298514), (71, 6206226), (78, 5649257), (142, 3103113), (213, 2068742), (251, 1755546), (317, 1390038), (426, 1034371), (502, 877773), (634, 695019), (753, 585182), (923, 477402), (951, 463346), (1506, 292591), (1846, 238701), (1902, 231673), (2769, 159134), (3263, 135042), (4121, 106926), (5538, 79567), (6526, 67521), (8242, 53463), (9789, 45014), (12363, 35642), (17821, 24726), (19578, 22507)]