291225641728

素因数分解:

$2^8\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2664169}}^1$

素因数の和:2664253

約数の個数: 72

約数和(自身を含む): 675249871520

約数和(自身を除く): 384024229792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 854, 896, 976, 1708, 1792, 1952, 3416, 3904, 6832, 7808, 13664, 15616, 27328, 54656, 109312, 2664169, 5328338, 10656676, 18649183, 21313352, 37298366, 42626704, 74596732, 85253408, 149193464, 162514309, 170506816, 298386928, 325028618, 341013632, 596773856, 650057236, 682027264, 1137600163, 1193547712, 1300114472, 2275200326, 2387095424, 2600228944, 4550400652, 4774190848, 5200457888, 9100801304, 10400915776, 18201602608, 20801831552, 36403205216, 41603663104, 72806410432, 145612820864, 291225641728]

約数ペア:

[(1, 291225641728), (2, 145612820864), (4, 72806410432), (7, 41603663104), (8, 36403205216), (14, 20801831552), (16, 18201602608), (28, 10400915776), (32, 9100801304), (56, 5200457888), (61, 4774190848), (64, 4550400652), (112, 2600228944), (122, 2387095424), (128, 2275200326), (224, 1300114472), (244, 1193547712), (256, 1137600163), (427, 682027264), (448, 650057236), (488, 596773856), (854, 341013632), (896, 325028618), (976, 298386928), (1708, 170506816), (1792, 162514309), (1952, 149193464), (3416, 85253408), (3904, 74596732), (6832, 42626704), (7808, 37298366), (13664, 21313352), (15616, 18649183), (27328, 10656676), (54656, 5328338), (109312, 2664169)]