12939710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 28200960

約数和(自身を除く): 15261250

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 67, 70, 89, 134, 155, 178, 217, 310, 335, 434, 445, 469, 623, 670, 890, 938, 1085, 1246, 2077, 2170, 2345, 2759, 3115, 4154, 4690, 5518, 5963, 6230, 10385, 11926, 13795, 14539, 19313, 20770, 27590, 29078, 29815, 38626, 41741, 59630, 72695, 83482, 96565, 145390, 184853, 193130, 208705, 369706, 417410, 924265, 1293971, 1848530, 2587942, 6469855, 12939710]

約数ペア:

[(1, 12939710), (2, 6469855), (5, 2587942), (7, 1848530), (10, 1293971), (14, 924265), (31, 417410), (35, 369706), (62, 208705), (67, 193130), (70, 184853), (89, 145390), (134, 96565), (155, 83482), (178, 72695), (217, 59630), (310, 41741), (335, 38626), (434, 29815), (445, 29078), (469, 27590), (623, 20770), (670, 19313), (890, 14539), (938, 13795), (1085, 11926), (1246, 10385), (2077, 6230), (2170, 5963), (2345, 5518), (2759, 4690), (3115, 4154)]