31591976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 67737600

約数和(自身を除く): 36145624

約数列:

[1, 2, 4, 8, 13, 26, 31, 41, 52, 62, 82, 104, 124, 164, 239, 248, 328, 403, 478, 533, 806, 956, 1066, 1271, 1612, 1912, 2132, 2542, 3107, 3224, 4264, 5084, 6214, 7409, 9799, 10168, 12428, 14818, 16523, 19598, 24856, 29636, 33046, 39196, 59272, 66092, 78392, 96317, 127387, 132184, 192634, 254774, 303769, 385268, 509548, 607538, 770536, 1019096, 1215076, 2430152, 3948997, 7897994, 15795988, 31591976]

約数ペア:

[(1, 31591976), (2, 15795988), (4, 7897994), (8, 3948997), (13, 2430152), (26, 1215076), (31, 1019096), (41, 770536), (52, 607538), (62, 509548), (82, 385268), (104, 303769), (124, 254774), (164, 192634), (239, 132184), (248, 127387), (328, 96317), (403, 78392), (478, 66092), (533, 59272), (806, 39196), (956, 33046), (1066, 29636), (1271, 24856), (1612, 19598), (1912, 16523), (2132, 14818), (2542, 12428), (3107, 10168), (3224, 9799), (4264, 7409), (5084, 6214)]