161819086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 304254720

約数和(自身を除く): 142435634

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 97, 143, 194, 209, 247, 286, 307, 418, 494, 614, 1067, 1261, 1843, 2134, 2522, 2717, 3377, 3686, 3991, 5434, 5833, 6754, 7982, 11666, 13871, 20273, 23959, 27742, 29779, 40546, 43901, 47918, 59558, 64163, 75829, 87802, 128326, 151658, 263549, 327569, 387127, 527098, 565801, 655138, 774254, 834119, 1131602, 1668238, 4258397, 6223811, 7355413, 8516794, 12447622, 14710826, 80909543, 161819086]

約数ペア:

[(1, 161819086), (2, 80909543), (11, 14710826), (13, 12447622), (19, 8516794), (22, 7355413), (26, 6223811), (38, 4258397), (97, 1668238), (143, 1131602), (194, 834119), (209, 774254), (247, 655138), (286, 565801), (307, 527098), (418, 387127), (494, 327569), (614, 263549), (1067, 151658), (1261, 128326), (1843, 87802), (2134, 75829), (2522, 64163), (2717, 59558), (3377, 47918), (3686, 43901), (3991, 40546), (5434, 29779), (5833, 27742), (6754, 23959), (7982, 20273), (11666, 13871)]