31028816

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 75078528

約数和(自身を除く): 44049712

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 101, 104, 112, 182, 202, 208, 211, 364, 404, 422, 707, 728, 808, 844, 1313, 1414, 1456, 1477, 1616, 1688, 2626, 2743, 2828, 2954, 3376, 5252, 5486, 5656, 5908, 9191, 10504, 10972, 11312, 11816, 18382, 19201, 21008, 21311, 21944, 23632, 36764, 38402, 42622, 43888, 73528, 76804, 85244, 147056, 149177, 153608, 170488, 277043, 298354, 307216, 340976, 554086, 596708, 1108172, 1193416, 1939301, 2216344, 2386832, 3878602, 4432688, 7757204, 15514408, 31028816]

約数ペア:

[(1, 31028816), (2, 15514408), (4, 7757204), (7, 4432688), (8, 3878602), (13, 2386832), (14, 2216344), (16, 1939301), (26, 1193416), (28, 1108172), (52, 596708), (56, 554086), (91, 340976), (101, 307216), (104, 298354), (112, 277043), (182, 170488), (202, 153608), (208, 149177), (211, 147056), (364, 85244), (404, 76804), (422, 73528), (707, 43888), (728, 42622), (808, 38402), (844, 36764), (1313, 23632), (1414, 21944), (1456, 21311), (1477, 21008), (1616, 19201), (1688, 18382), (2626, 11816), (2743, 11312), (2828, 10972), (2954, 10504), (3376, 9191), (5252, 5908), (5486, 5656)]