140947638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:941

約数の個数: 64

約数和(自身を含む): 318173184

約数和(自身を除く): 177225546

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 71, 78, 93, 142, 186, 213, 403, 426, 806, 821, 923, 1209, 1642, 1846, 2201, 2418, 2463, 2769, 4402, 4926, 5538, 6603, 10673, 13206, 21346, 25451, 28613, 32019, 50902, 57226, 58291, 64038, 76353, 85839, 116582, 152706, 171678, 174873, 330863, 349746, 661726, 757783, 992589, 1515566, 1807021, 1985178, 2273349, 3614042, 4546698, 5421063, 10842126, 23491273, 46982546, 70473819, 140947638]

約数ペア:

[(1, 140947638), (2, 70473819), (3, 46982546), (6, 23491273), (13, 10842126), (26, 5421063), (31, 4546698), (39, 3614042), (62, 2273349), (71, 1985178), (78, 1807021), (93, 1515566), (142, 992589), (186, 757783), (213, 661726), (403, 349746), (426, 330863), (806, 174873), (821, 171678), (923, 152706), (1209, 116582), (1642, 85839), (1846, 76353), (2201, 64038), (2418, 58291), (2463, 57226), (2769, 50902), (4402, 32019), (4926, 28613), (5538, 25451), (6603, 21346), (10673, 13206)]