665427828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{5741}}^1$

素因数の和:6504

約数の個数: 48

約数和(自身を含む): 1674642816

約数和(自身を除く): 1009214988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 743, 1486, 2229, 2972, 4458, 5741, 8916, 9659, 11482, 17223, 19318, 22964, 28977, 34446, 38636, 57954, 68892, 74633, 115908, 149266, 223899, 298532, 447798, 895596, 4265563, 8531126, 12796689, 17062252, 25593378, 51186756, 55452319, 110904638, 166356957, 221809276, 332713914, 665427828]

約数ペア:

[(1, 665427828), (2, 332713914), (3, 221809276), (4, 166356957), (6, 110904638), (12, 55452319), (13, 51186756), (26, 25593378), (39, 17062252), (52, 12796689), (78, 8531126), (156, 4265563), (743, 895596), (1486, 447798), (2229, 298532), (2972, 223899), (4458, 149266), (5741, 115908), (8916, 74633), (9659, 68892), (11482, 57954), (17223, 38636), (19318, 34446), (22964, 28977)]