1978889436

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{2753}}^1$

素因数の和:3291

約数の個数: 72

約数和(自身を含む): 5136584544

約数和(自身を除く): 3157695108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 487, 492, 738, 974, 1461, 1476, 1948, 2753, 2922, 4383, 5506, 5844, 8259, 8766, 11012, 16518, 17532, 19967, 24777, 33036, 39934, 49554, 59901, 79868, 99108, 112873, 119802, 179703, 225746, 239604, 338619, 359406, 451492, 677238, 718812, 1015857, 1340711, 1354476, 2031714, 2681422, 4022133, 4063428, 5362844, 8044266, 12066399, 16088532, 24132798, 48265596, 54969151, 109938302, 164907453, 219876604, 329814906, 494722359, 659629812, 989444718, 1978889436]

約数ペア:

[(1, 1978889436), (2, 989444718), (3, 659629812), (4, 494722359), (6, 329814906), (9, 219876604), (12, 164907453), (18, 109938302), (36, 54969151), (41, 48265596), (82, 24132798), (123, 16088532), (164, 12066399), (246, 8044266), (369, 5362844), (487, 4063428), (492, 4022133), (738, 2681422), (974, 2031714), (1461, 1354476), (1476, 1340711), (1948, 1015857), (2753, 718812), (2922, 677238), (4383, 451492), (5506, 359406), (5844, 338619), (8259, 239604), (8766, 225746), (11012, 179703), (16518, 119802), (17532, 112873), (19967, 99108), (24777, 79868), (33036, 59901), (39934, 49554)]