890243604

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{233}}^1\times {\mathrm{503}}^1$

素因数の和:957

約数の個数: 72

約数和(自身を含む): 2275221312

約数和(自身を除く): 1384977708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 233, 422, 466, 503, 633, 699, 844, 932, 1006, 1266, 1398, 1509, 1899, 2012, 2097, 2532, 2796, 3018, 3798, 4194, 4527, 6036, 7596, 8388, 9054, 18108, 49163, 98326, 106133, 117199, 147489, 196652, 212266, 234398, 294978, 318399, 351597, 424532, 442467, 468796, 589956, 636798, 703194, 884934, 955197, 1054791, 1273596, 1406388, 1769868, 1910394, 2109582, 3820788, 4219164, 24728989, 49457978, 74186967, 98915956, 148373934, 222560901, 296747868, 445121802, 890243604]

約数ペア:

[(1, 890243604), (2, 445121802), (3, 296747868), (4, 222560901), (6, 148373934), (9, 98915956), (12, 74186967), (18, 49457978), (36, 24728989), (211, 4219164), (233, 3820788), (422, 2109582), (466, 1910394), (503, 1769868), (633, 1406388), (699, 1273596), (844, 1054791), (932, 955197), (1006, 884934), (1266, 703194), (1398, 636798), (1509, 589956), (1899, 468796), (2012, 442467), (2097, 424532), (2532, 351597), (2796, 318399), (3018, 294978), (3798, 234398), (4194, 212266), (4527, 196652), (6036, 147489), (7596, 117199), (8388, 106133), (9054, 98326), (18108, 49163)]