638348368

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1873}}^1$

素因数の和:2084

約数の個数: 80

約数和(自身を含む): 1505796480

約数和(自身を除く): 867448112

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 179, 238, 272, 358, 476, 716, 952, 1253, 1432, 1873, 1904, 2506, 2864, 3043, 3746, 5012, 6086, 7492, 10024, 12172, 13111, 14984, 20048, 21301, 24344, 26222, 29968, 31841, 42602, 48688, 52444, 63682, 85204, 104888, 127364, 170408, 209776, 222887, 254728, 335267, 340816, 445774, 509456, 670534, 891548, 1341068, 1783096, 2346869, 2682136, 3566192, 4693738, 5364272, 5699539, 9387476, 11399078, 18774952, 22798156, 37549904, 39896773, 45596312, 79793546, 91192624, 159587092, 319174184, 638348368]

約数ペア:

[(1, 638348368), (2, 319174184), (4, 159587092), (7, 91192624), (8, 79793546), (14, 45596312), (16, 39896773), (17, 37549904), (28, 22798156), (34, 18774952), (56, 11399078), (68, 9387476), (112, 5699539), (119, 5364272), (136, 4693738), (179, 3566192), (238, 2682136), (272, 2346869), (358, 1783096), (476, 1341068), (716, 891548), (952, 670534), (1253, 509456), (1432, 445774), (1873, 340816), (1904, 335267), (2506, 254728), (2864, 222887), (3043, 209776), (3746, 170408), (5012, 127364), (6086, 104888), (7492, 85204), (10024, 63682), (12172, 52444), (13111, 48688), (14984, 42602), (20048, 31841), (21301, 29968), (24344, 26222)]