720990114

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{30109}}^1$

素因数の和:30434

約数の個数: 32

約数和(自身を含む): 1558011840

約数和(自身を除く): 837021726

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 307, 614, 921, 1842, 3991, 7982, 11973, 23946, 30109, 60218, 90327, 180654, 391417, 782834, 1174251, 2348502, 9243463, 18486926, 27730389, 55460778, 120165019, 240330038, 360495057, 720990114]

約数ペア:

[(1, 720990114), (2, 360495057), (3, 240330038), (6, 120165019), (13, 55460778), (26, 27730389), (39, 18486926), (78, 9243463), (307, 2348502), (614, 1174251), (921, 782834), (1842, 391417), (3991, 180654), (7982, 90327), (11973, 60218), (23946, 30109)]