12989372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 26127360

約数和(自身を除く): 13137988

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 89, 107, 124, 178, 214, 341, 356, 428, 682, 979, 1177, 1364, 1958, 2354, 2759, 3317, 3916, 4708, 5518, 6634, 9523, 11036, 13268, 19046, 30349, 36487, 38092, 60698, 72974, 104753, 121396, 145948, 209506, 295213, 419012, 590426, 1180852, 3247343, 6494686, 12989372]

約数ペア:

[(1, 12989372), (2, 6494686), (4, 3247343), (11, 1180852), (22, 590426), (31, 419012), (44, 295213), (62, 209506), (89, 145948), (107, 121396), (124, 104753), (178, 72974), (214, 60698), (341, 38092), (356, 36487), (428, 30349), (682, 19046), (979, 13268), (1177, 11036), (1364, 9523), (1958, 6634), (2354, 5518), (2759, 4708), (3317, 3916)]