31970874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 73156608

約数和(自身を除く): 41185734

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 71, 78, 138, 142, 213, 251, 299, 426, 502, 598, 753, 897, 923, 1506, 1633, 1794, 1846, 2769, 3263, 3266, 4899, 5538, 5773, 6526, 9789, 9798, 11546, 17319, 17821, 19578, 21229, 34638, 35642, 42458, 53463, 63687, 75049, 106926, 127374, 150098, 225147, 231673, 409883, 450294, 463346, 695019, 819766, 1229649, 1390038, 2459298, 5328479, 10656958, 15985437, 31970874]

約数ペア:

[(1, 31970874), (2, 15985437), (3, 10656958), (6, 5328479), (13, 2459298), (23, 1390038), (26, 1229649), (39, 819766), (46, 695019), (69, 463346), (71, 450294), (78, 409883), (138, 231673), (142, 225147), (213, 150098), (251, 127374), (299, 106926), (426, 75049), (502, 63687), (598, 53463), (753, 42458), (897, 35642), (923, 34638), (1506, 21229), (1633, 19578), (1794, 17821), (1846, 17319), (2769, 11546), (3263, 9798), (3266, 9789), (4899, 6526), (5538, 5773)]