12451990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{823}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 24027840

約数和(自身を除く): 11575850

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 823, 890, 1513, 1646, 3026, 4115, 7565, 8230, 13991, 15130, 27982, 69955, 73247, 139910, 146494, 366235, 732470, 1245199, 2490398, 6225995, 12451990]

約数ペア:

[(1, 12451990), (2, 6225995), (5, 2490398), (10, 1245199), (17, 732470), (34, 366235), (85, 146494), (89, 139910), (170, 73247), (178, 69955), (445, 27982), (823, 15130), (890, 13991), (1513, 8230), (1646, 7565), (3026, 4115)]