890218384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{293}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 1925751744

約数和(自身を除く): 1035533360

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 283, 293, 488, 566, 586, 671, 976, 1132, 1172, 1342, 2264, 2344, 2684, 3113, 3223, 4528, 4688, 5368, 6226, 6446, 10736, 12452, 12892, 17263, 17873, 24904, 25784, 34526, 35746, 49808, 51568, 69052, 71492, 82919, 138104, 142984, 165838, 189893, 196603, 276208, 285968, 331676, 379786, 393206, 663352, 759572, 786412, 912109, 1326704, 1519144, 1572824, 1824218, 3038288, 3145648, 3648436, 5058059, 7296872, 10116118, 14593744, 20232236, 40464472, 55638649, 80928944, 111277298, 222554596, 445109192, 890218384]

約数ペア:

[(1, 890218384), (2, 445109192), (4, 222554596), (8, 111277298), (11, 80928944), (16, 55638649), (22, 40464472), (44, 20232236), (61, 14593744), (88, 10116118), (122, 7296872), (176, 5058059), (244, 3648436), (283, 3145648), (293, 3038288), (488, 1824218), (566, 1572824), (586, 1519144), (671, 1326704), (976, 912109), (1132, 786412), (1172, 759572), (1342, 663352), (2264, 393206), (2344, 379786), (2684, 331676), (3113, 285968), (3223, 276208), (4528, 196603), (4688, 189893), (5368, 165838), (6226, 142984), (6446, 138104), (10736, 82919), (12452, 71492), (12892, 69052), (17263, 51568), (17873, 49808), (24904, 35746), (25784, 34526)]