128803428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1753}}^1$

素因数の和:1933

約数の個数: 72

約数和(自身を含む): 353066168

約数和(自身を除く): 224262740

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 157, 234, 314, 468, 471, 628, 942, 1413, 1753, 1884, 2041, 2826, 3506, 4082, 5259, 5652, 6123, 7012, 8164, 10518, 12246, 15777, 18369, 21036, 22789, 24492, 31554, 36738, 45578, 63108, 68367, 73476, 91156, 136734, 205101, 273468, 275221, 410202, 550442, 820404, 825663, 1100884, 1651326, 2476989, 3302652, 3577873, 4953978, 7155746, 9907956, 10733619, 14311492, 21467238, 32200857, 42934476, 64401714, 128803428]

約数ペア:

[(1, 128803428), (2, 64401714), (3, 42934476), (4, 32200857), (6, 21467238), (9, 14311492), (12, 10733619), (13, 9907956), (18, 7155746), (26, 4953978), (36, 3577873), (39, 3302652), (52, 2476989), (78, 1651326), (117, 1100884), (156, 825663), (157, 820404), (234, 550442), (314, 410202), (468, 275221), (471, 273468), (628, 205101), (942, 136734), (1413, 91156), (1753, 73476), (1884, 68367), (2041, 63108), (2826, 45578), (3506, 36738), (4082, 31554), (5259, 24492), (5652, 22789), (6123, 21036), (7012, 18369), (8164, 15777), (10518, 12246)]