391141322

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 718599168

約数和(自身を除く): 327457846

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 157, 281, 286, 314, 341, 403, 562, 682, 806, 1727, 2041, 3091, 3454, 3653, 4082, 4433, 4867, 6182, 7306, 8711, 8866, 9734, 17422, 22451, 40183, 44117, 44902, 53537, 63271, 80366, 88234, 95821, 107074, 113243, 126542, 191642, 226486, 485287, 573521, 695981, 970574, 1147042, 1245673, 1367627, 1391962, 2491346, 2735254, 6308731, 12617462, 15043897, 17779151, 30087794, 35558302, 195570661, 391141322]

約数ペア:

[(1, 391141322), (2, 195570661), (11, 35558302), (13, 30087794), (22, 17779151), (26, 15043897), (31, 12617462), (62, 6308731), (143, 2735254), (157, 2491346), (281, 1391962), (286, 1367627), (314, 1245673), (341, 1147042), (403, 970574), (562, 695981), (682, 573521), (806, 485287), (1727, 226486), (2041, 191642), (3091, 126542), (3454, 113243), (3653, 107074), (4082, 95821), (4433, 88234), (4867, 80366), (6182, 63271), (7306, 53537), (8711, 44902), (8866, 44117), (9734, 40183), (17422, 22451)]