7638988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 16369920

約数和(自身を除く): 8730932

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 173, 266, 332, 346, 532, 581, 692, 1162, 1211, 1577, 2324, 2422, 3154, 3287, 4844, 6308, 6574, 11039, 13148, 14359, 22078, 23009, 28718, 44156, 46018, 57436, 92036, 100513, 201026, 272821, 402052, 545642, 1091284, 1909747, 3819494, 7638988]

約数ペア:

[(1, 7638988), (2, 3819494), (4, 1909747), (7, 1091284), (14, 545642), (19, 402052), (28, 272821), (38, 201026), (76, 100513), (83, 92036), (133, 57436), (166, 46018), (173, 44156), (266, 28718), (332, 23009), (346, 22078), (532, 14359), (581, 13148), (692, 11039), (1162, 6574), (1211, 6308), (1577, 4844), (2324, 3287), (2422, 3154)]