31648630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 62902224

約数和(自身を除く): 31253594

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 169, 305, 307, 338, 610, 614, 793, 845, 1535, 1586, 1690, 3070, 3965, 3991, 7930, 7982, 10309, 18727, 19955, 20618, 37454, 39910, 51545, 51883, 93635, 103090, 103766, 187270, 243451, 259415, 486902, 518830, 1217255, 2434510, 3164863, 6329726, 15824315, 31648630]

約数ペア:

[(1, 31648630), (2, 15824315), (5, 6329726), (10, 3164863), (13, 2434510), (26, 1217255), (61, 518830), (65, 486902), (122, 259415), (130, 243451), (169, 187270), (305, 103766), (307, 103090), (338, 93635), (610, 51883), (614, 51545), (793, 39910), (845, 37454), (1535, 20618), (1586, 19955), (1690, 18727), (3070, 10309), (3965, 7982), (3991, 7930)]