211326185

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3323}}^1$

素因数の和:3437

約数の個数: 32

約数和(自身を含む): 306339840

約数和(自身を除く): 95013655

約数列:

[1, 5, 7, 23, 35, 79, 115, 161, 395, 553, 805, 1817, 2765, 3323, 9085, 12719, 16615, 23261, 63595, 76429, 116305, 262517, 382145, 535003, 1312585, 1837619, 2675015, 6037891, 9188095, 30189455, 42265237, 211326185]

約数ペア:

[(1, 211326185), (5, 42265237), (7, 30189455), (23, 9188095), (35, 6037891), (79, 2675015), (115, 1837619), (161, 1312585), (395, 535003), (553, 382145), (805, 262517), (1817, 116305), (2765, 76429), (3323, 63595), (9085, 23261), (12719, 16615)]