87986990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3119}}^1$

素因数の和:3177

約数の個数: 64

約数和(自身を含む): 201277440

約数和(自身を除く): 113290450

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 3119, 4030, 5642, 6238, 14105, 15595, 21833, 28210, 31190, 40547, 43666, 81094, 96689, 109165, 193378, 202735, 218330, 283829, 405470, 483445, 567658, 676823, 966890, 1256957, 1353646, 1419145, 2513914, 2838290, 3384115, 6284785, 6768230, 8798699, 12569570, 17597398, 43993495, 87986990]

約数ペア:

[(1, 87986990), (2, 43993495), (5, 17597398), (7, 12569570), (10, 8798699), (13, 6768230), (14, 6284785), (26, 3384115), (31, 2838290), (35, 2513914), (62, 1419145), (65, 1353646), (70, 1256957), (91, 966890), (130, 676823), (155, 567658), (182, 483445), (217, 405470), (310, 283829), (403, 218330), (434, 202735), (455, 193378), (806, 109165), (910, 96689), (1085, 81094), (2015, 43666), (2170, 40547), (2821, 31190), (3119, 28210), (4030, 21833), (5642, 15595), (6238, 14105)]