71527075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 99636480

約数和(自身を除く): 28109405

約数列:

[1, 5, 17, 25, 31, 61, 85, 89, 155, 305, 425, 445, 527, 775, 1037, 1513, 1525, 1891, 2225, 2635, 2759, 5185, 5429, 7565, 9455, 13175, 13795, 25925, 27145, 32147, 37825, 46903, 47275, 68975, 92293, 135725, 160735, 168299, 234515, 461465, 803675, 841495, 1172575, 2307325, 2861083, 4207475, 14305415, 71527075]

約数ペア:

[(1, 71527075), (5, 14305415), (17, 4207475), (25, 2861083), (31, 2307325), (61, 1172575), (85, 841495), (89, 803675), (155, 461465), (305, 234515), (425, 168299), (445, 160735), (527, 135725), (775, 92293), (1037, 68975), (1513, 47275), (1525, 46903), (1891, 37825), (2225, 32147), (2635, 27145), (2759, 25925), (5185, 13795), (5429, 13175), (7565, 9455)]