1866154225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 2542806000

約数和(自身を除く): 676651775

約数列:

[1, 5, 13, 25, 65, 89, 149, 325, 433, 445, 745, 1157, 1937, 2165, 2225, 3725, 5629, 5785, 9685, 10825, 13261, 28145, 28925, 38537, 48425, 64517, 66305, 140725, 172393, 192685, 322585, 331525, 500981, 838721, 861965, 963425, 1612925, 2504905, 4193605, 4309825, 5742013, 12524525, 20968025, 28710065, 74646169, 143550325, 373230845, 1866154225]

約数ペア:

[(1, 1866154225), (5, 373230845), (13, 143550325), (25, 74646169), (65, 28710065), (89, 20968025), (149, 12524525), (325, 5742013), (433, 4309825), (445, 4193605), (745, 2504905), (1157, 1612925), (1937, 963425), (2165, 861965), (2225, 838721), (3725, 500981), (5629, 331525), (5785, 322585), (9685, 192685), (10825, 172393), (13261, 140725), (28145, 66305), (28925, 64517), (38537, 48425)]