214991504

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1168

約数の個数: 80

約数和(自身を含む): 516633600

約数和(自身を除く): 301642096

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 149, 182, 208, 298, 364, 596, 728, 991, 1043, 1192, 1456, 1937, 1982, 2086, 2384, 3874, 3964, 4172, 6937, 7748, 7928, 8344, 12883, 13559, 13874, 15496, 15856, 16688, 25766, 27118, 27748, 30992, 51532, 54236, 55496, 90181, 103064, 108472, 110992, 147659, 180362, 206128, 216944, 295318, 360724, 590636, 721448, 1033613, 1181272, 1442896, 1919567, 2067226, 2362544, 3839134, 4134452, 7678268, 8268904, 13436969, 15356536, 16537808, 26873938, 30713072, 53747876, 107495752, 214991504]

約数ペア:

[(1, 214991504), (2, 107495752), (4, 53747876), (7, 30713072), (8, 26873938), (13, 16537808), (14, 15356536), (16, 13436969), (26, 8268904), (28, 7678268), (52, 4134452), (56, 3839134), (91, 2362544), (104, 2067226), (112, 1919567), (149, 1442896), (182, 1181272), (208, 1033613), (298, 721448), (364, 590636), (596, 360724), (728, 295318), (991, 216944), (1043, 206128), (1192, 180362), (1456, 147659), (1937, 110992), (1982, 108472), (2086, 103064), (2384, 90181), (3874, 55496), (3964, 54236), (4172, 51532), (6937, 30992), (7748, 27748), (7928, 27118), (8344, 25766), (12883, 16688), (13559, 15856), (13874, 15496)]