139255410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21391}}^1$

素因数の和:21439

約数の個数: 64

約数和(自身を含む): 394297344

約数和(自身を除く): 255041934

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 21391, 42782, 64173, 106955, 128346, 149737, 213910, 299474, 320865, 449211, 641730, 663121, 748685, 898422, 1326242, 1497370, 1989363, 2246055, 3315605, 3978726, 4492110, 4641847, 6631210, 9283694, 9946815, 13925541, 19893630, 23209235, 27851082, 46418470, 69627705, 139255410]

約数ペア:

[(1, 139255410), (2, 69627705), (3, 46418470), (5, 27851082), (6, 23209235), (7, 19893630), (10, 13925541), (14, 9946815), (15, 9283694), (21, 6631210), (30, 4641847), (31, 4492110), (35, 3978726), (42, 3315605), (62, 2246055), (70, 1989363), (93, 1497370), (105, 1326242), (155, 898422), (186, 748685), (210, 663121), (217, 641730), (310, 449211), (434, 320865), (465, 299474), (651, 213910), (930, 149737), (1085, 128346), (1302, 106955), (2170, 64173), (3255, 42782), (6510, 21391)]