81952208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 178488576

約数和(自身を除く): 96536368

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 83, 94, 101, 104, 166, 188, 202, 208, 332, 376, 404, 611, 664, 752, 808, 1079, 1222, 1313, 1328, 1616, 2158, 2444, 2626, 3901, 4316, 4747, 4888, 5252, 7802, 8383, 8632, 9494, 9776, 10504, 15604, 16766, 17264, 18988, 21008, 31208, 33532, 37976, 50713, 61711, 62416, 67064, 75952, 101426, 108979, 123422, 134128, 202852, 217958, 246844, 394001, 405704, 435916, 493688, 788002, 811408, 871832, 987376, 1576004, 1743664, 3152008, 5122013, 6304016, 10244026, 20488052, 40976104, 81952208]

約数ペア:

[(1, 81952208), (2, 40976104), (4, 20488052), (8, 10244026), (13, 6304016), (16, 5122013), (26, 3152008), (47, 1743664), (52, 1576004), (83, 987376), (94, 871832), (101, 811408), (104, 788002), (166, 493688), (188, 435916), (202, 405704), (208, 394001), (332, 246844), (376, 217958), (404, 202852), (611, 134128), (664, 123422), (752, 108979), (808, 101426), (1079, 75952), (1222, 67064), (1313, 62416), (1328, 61711), (1616, 50713), (2158, 37976), (2444, 33532), (2626, 31208), (3901, 21008), (4316, 18988), (4747, 17264), (4888, 16766), (5252, 15604), (7802, 10504), (8383, 9776), (8632, 9494)]