28957026

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 70456320

約数和(自身を除く): 41499294

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 131, 133, 262, 266, 277, 393, 399, 554, 786, 798, 831, 917, 1662, 1834, 1939, 2489, 2751, 3878, 4978, 5263, 5502, 5817, 7467, 10526, 11634, 14934, 15789, 17423, 31578, 34846, 36287, 36841, 52269, 72574, 73682, 104538, 108861, 110523, 217722, 221046, 254009, 508018, 689453, 762027, 1378906, 1524054, 2068359, 4136718, 4826171, 9652342, 14478513, 28957026]

約数ペア:

[(1, 28957026), (2, 14478513), (3, 9652342), (6, 4826171), (7, 4136718), (14, 2068359), (19, 1524054), (21, 1378906), (38, 762027), (42, 689453), (57, 508018), (114, 254009), (131, 221046), (133, 217722), (262, 110523), (266, 108861), (277, 104538), (393, 73682), (399, 72574), (554, 52269), (786, 36841), (798, 36287), (831, 34846), (917, 31578), (1662, 17423), (1834, 15789), (1939, 14934), (2489, 11634), (2751, 10526), (3878, 7467), (4978, 5817), (5263, 5502)]