11998090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 25310880

約数和(自身を除く): 13312790

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 61, 65, 85, 89, 122, 130, 170, 178, 221, 305, 442, 445, 610, 793, 890, 1037, 1105, 1157, 1513, 1586, 2074, 2210, 2314, 3026, 3965, 5185, 5429, 5785, 7565, 7930, 10370, 10858, 11570, 13481, 15130, 19669, 26962, 27145, 39338, 54290, 67405, 70577, 92293, 98345, 134810, 141154, 184586, 196690, 352885, 461465, 705770, 922930, 1199809, 2399618, 5999045, 11998090]

約数ペア:

[(1, 11998090), (2, 5999045), (5, 2399618), (10, 1199809), (13, 922930), (17, 705770), (26, 461465), (34, 352885), (61, 196690), (65, 184586), (85, 141154), (89, 134810), (122, 98345), (130, 92293), (170, 70577), (178, 67405), (221, 54290), (305, 39338), (442, 27145), (445, 26962), (610, 19669), (793, 15130), (890, 13481), (1037, 11570), (1105, 10858), (1157, 10370), (1513, 7930), (1586, 7565), (2074, 5785), (2210, 5429), (2314, 5185), (3026, 3965)]