722671638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{1217}}^1$

素因数の和:1589

約数の個数: 64

約数和(自身を含む): 1630444032

約数和(自身を除く): 907772394

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 331, 598, 662, 897, 993, 1217, 1794, 1986, 2434, 3651, 4303, 7302, 7613, 8606, 12909, 15226, 15821, 22839, 25818, 27991, 31642, 45678, 47463, 55982, 83973, 94926, 98969, 167946, 197938, 296907, 363883, 402827, 593814, 727766, 805654, 1091649, 1208481, 2183298, 2416962, 5236751, 9265021, 10473502, 15710253, 18530042, 27795063, 31420506, 55590126, 120445273, 240890546, 361335819, 722671638]

約数ペア:

[(1, 722671638), (2, 361335819), (3, 240890546), (6, 120445273), (13, 55590126), (23, 31420506), (26, 27795063), (39, 18530042), (46, 15710253), (69, 10473502), (78, 9265021), (138, 5236751), (299, 2416962), (331, 2183298), (598, 1208481), (662, 1091649), (897, 805654), (993, 727766), (1217, 593814), (1794, 402827), (1986, 363883), (2434, 296907), (3651, 197938), (4303, 167946), (7302, 98969), (7613, 94926), (8606, 83973), (12909, 55982), (15226, 47463), (15821, 45678), (22839, 31642), (25818, 27991)]