260974506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 573987456

約数和(自身を除く): 313012950

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 101, 157, 202, 211, 303, 314, 422, 471, 606, 633, 942, 1266, 1313, 2041, 2626, 2743, 3939, 4082, 5486, 6123, 7878, 8229, 12246, 15857, 16458, 21311, 31714, 33127, 42622, 47571, 63933, 66254, 95142, 99381, 127866, 198762, 206141, 277043, 412282, 430651, 554086, 618423, 831129, 861302, 1236846, 1291953, 1662258, 2583906, 3345827, 6691654, 10037481, 20074962, 43495751, 86991502, 130487253, 260974506]

約数ペア:

[(1, 260974506), (2, 130487253), (3, 86991502), (6, 43495751), (13, 20074962), (26, 10037481), (39, 6691654), (78, 3345827), (101, 2583906), (157, 1662258), (202, 1291953), (211, 1236846), (303, 861302), (314, 831129), (422, 618423), (471, 554086), (606, 430651), (633, 412282), (942, 277043), (1266, 206141), (1313, 198762), (2041, 127866), (2626, 99381), (2743, 95142), (3939, 66254), (4082, 63933), (5486, 47571), (6123, 42622), (7878, 33127), (8229, 31714), (12246, 21311), (15857, 16458)]