1640874326

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{5521}}^1$

素因数の和:5637

約数の個数: 64

約数和(自身を含む): 3206117376

約数和(自身を除く): 1565243050

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 71, 91, 142, 161, 182, 299, 322, 497, 598, 923, 994, 1633, 1846, 2093, 3266, 4186, 5521, 6461, 11042, 11431, 12922, 21229, 22862, 38647, 42458, 71773, 77294, 126983, 143546, 148603, 253966, 297206, 391991, 502411, 783982, 888881, 1004822, 1650779, 1777762, 2743937, 3301558, 5095883, 5487874, 9015793, 10191766, 11555453, 18031586, 23110906, 35671181, 63110551, 71342362, 117205309, 126221102, 234410618, 820437163, 1640874326]

約数ペア:

[(1, 1640874326), (2, 820437163), (7, 234410618), (13, 126221102), (14, 117205309), (23, 71342362), (26, 63110551), (46, 35671181), (71, 23110906), (91, 18031586), (142, 11555453), (161, 10191766), (182, 9015793), (299, 5487874), (322, 5095883), (497, 3301558), (598, 2743937), (923, 1777762), (994, 1650779), (1633, 1004822), (1846, 888881), (2093, 783982), (3266, 502411), (4186, 391991), (5521, 297206), (6461, 253966), (11042, 148603), (11431, 143546), (12922, 126983), (21229, 77294), (22862, 71773), (38647, 42458)]