393764072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{461}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 819624960

約数和(自身を除く): 425860888

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 191, 344, 382, 461, 559, 764, 922, 1118, 1528, 1844, 2236, 2483, 3688, 4472, 4966, 5993, 8213, 9932, 11986, 16426, 19823, 19864, 23972, 32852, 39646, 47944, 65704, 79292, 88051, 106769, 158584, 176102, 213538, 257699, 352204, 427076, 515398, 704408, 854152, 1030796, 1144663, 2061592, 2289326, 3786193, 4578652, 7572386, 9157304, 15144772, 30289544, 49220509, 98441018, 196882036, 393764072]

約数ペア:

[(1, 393764072), (2, 196882036), (4, 98441018), (8, 49220509), (13, 30289544), (26, 15144772), (43, 9157304), (52, 7572386), (86, 4578652), (104, 3786193), (172, 2289326), (191, 2061592), (344, 1144663), (382, 1030796), (461, 854152), (559, 704408), (764, 515398), (922, 427076), (1118, 352204), (1528, 257699), (1844, 213538), (2236, 176102), (2483, 158584), (3688, 106769), (4472, 88051), (4966, 79292), (5993, 65704), (8213, 47944), (9932, 39646), (11986, 32852), (16426, 23972), (19823, 19864)]