281805498

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{70841}}^1$

素因数の和:70879

約数の個数: 48

約数和(自身を含む): 696235176

約数和(自身を除く): 414429678

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 70841, 141682, 212523, 425046, 637569, 920933, 1204297, 1275138, 1841866, 2408594, 2762799, 3612891, 5525598, 7225782, 8288397, 10838673, 15655861, 16576794, 21677346, 31311722, 46967583, 93935166, 140902749, 281805498]

約数ペア:

[(1, 281805498), (2, 140902749), (3, 93935166), (6, 46967583), (9, 31311722), (13, 21677346), (17, 16576794), (18, 15655861), (26, 10838673), (34, 8288397), (39, 7225782), (51, 5525598), (78, 3612891), (102, 2762799), (117, 2408594), (153, 1841866), (221, 1275138), (234, 1204297), (306, 920933), (442, 637569), (663, 425046), (1326, 212523), (1989, 141682), (3978, 70841)]