289073645

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 404490240

約数和(自身を除く): 115416595

約数列:

[1, 5, 7, 35, 83, 151, 415, 581, 659, 755, 1057, 2905, 3295, 4613, 5285, 12533, 23065, 54697, 62665, 87731, 99509, 273485, 382879, 438655, 497545, 696563, 1914395, 3482815, 8259247, 41296235, 57814729, 289073645]

約数ペア:

[(1, 289073645), (5, 57814729), (7, 41296235), (35, 8259247), (83, 3482815), (151, 1914395), (415, 696563), (581, 497545), (659, 438655), (755, 382879), (1057, 273485), (2905, 99509), (3295, 87731), (4613, 62665), (5285, 54697), (12533, 23065)]