63806990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 130056192

約数和(自身を除く): 66249202

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 71, 130, 142, 155, 223, 310, 355, 403, 446, 710, 806, 923, 1115, 1846, 2015, 2201, 2230, 2899, 4030, 4402, 4615, 5798, 6913, 9230, 11005, 13826, 14495, 15833, 22010, 28613, 28990, 31666, 34565, 57226, 69130, 79165, 89869, 143065, 158330, 179738, 205829, 286130, 411658, 449345, 490823, 898690, 981646, 1029145, 2058290, 2454115, 4908230, 6380699, 12761398, 31903495, 63806990]

約数ペア:

[(1, 63806990), (2, 31903495), (5, 12761398), (10, 6380699), (13, 4908230), (26, 2454115), (31, 2058290), (62, 1029145), (65, 981646), (71, 898690), (130, 490823), (142, 449345), (155, 411658), (223, 286130), (310, 205829), (355, 179738), (403, 158330), (446, 143065), (710, 89869), (806, 79165), (923, 69130), (1115, 57226), (1846, 34565), (2015, 31666), (2201, 28990), (2230, 28613), (2899, 22010), (4030, 15833), (4402, 14495), (4615, 13826), (5798, 11005), (6913, 9230)]