31980344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 71193600

約数和(自身を除く): 39213256

約数列:

[1, 2, 4, 8, 11, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 209, 248, 341, 418, 589, 617, 682, 836, 1178, 1234, 1364, 1672, 2356, 2468, 2728, 4712, 4936, 6479, 6787, 11723, 12958, 13574, 19127, 23446, 25916, 27148, 38254, 46892, 51832, 54296, 76508, 93784, 128953, 153016, 210397, 257906, 363413, 420794, 515812, 726826, 841588, 1031624, 1453652, 1683176, 2907304, 3997543, 7995086, 15990172, 31980344]

約数ペア:

[(1, 31980344), (2, 15990172), (4, 7995086), (8, 3997543), (11, 2907304), (19, 1683176), (22, 1453652), (31, 1031624), (38, 841588), (44, 726826), (62, 515812), (76, 420794), (88, 363413), (124, 257906), (152, 210397), (209, 153016), (248, 128953), (341, 93784), (418, 76508), (589, 54296), (617, 51832), (682, 46892), (836, 38254), (1178, 27148), (1234, 25916), (1364, 23446), (1672, 19127), (2356, 13574), (2468, 12958), (2728, 11723), (4712, 6787), (4936, 6479)]