87121447

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 111283200

約数和(自身を除く): 24161753

約数列:

[1, 7, 17, 23, 119, 139, 161, 229, 391, 973, 1603, 2363, 2737, 3197, 3893, 5267, 16541, 22379, 27251, 31831, 36869, 54349, 89539, 222817, 380443, 541127, 626773, 732113, 3787889, 5124791, 12445921, 87121447]

約数ペア:

[(1, 87121447), (7, 12445921), (17, 5124791), (23, 3787889), (119, 732113), (139, 626773), (161, 541127), (229, 380443), (391, 222817), (973, 89539), (1603, 54349), (2363, 36869), (2737, 31831), (3197, 27251), (3893, 22379), (5267, 16541)]