645354130

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1\times {\mathrm{1097}}^1$

素因数の和:1854

約数の個数: 32

約数和(自身を含む): 1177539120

約数和(自身を除く): 532184990

約数列:

[1, 2, 5, 10, 89, 178, 445, 661, 890, 1097, 1322, 2194, 3305, 5485, 6610, 10970, 58829, 97633, 117658, 195266, 294145, 488165, 588290, 725117, 976330, 1450234, 3625585, 7251170, 64535413, 129070826, 322677065, 645354130]

約数ペア:

[(1, 645354130), (2, 322677065), (5, 129070826), (10, 64535413), (89, 7251170), (178, 3625585), (445, 1450234), (661, 976330), (890, 725117), (1097, 588290), (1322, 488165), (2194, 294145), (3305, 195266), (5485, 117658), (6610, 97633), (10970, 58829)]