81784384

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:272

約数の個数: 84

約数和(自身を含む): 182422800

約数和(自身を除く): 100638416

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 64, 88, 118, 121, 176, 179, 236, 242, 352, 358, 472, 484, 649, 704, 716, 944, 968, 1298, 1432, 1888, 1936, 1969, 2596, 2864, 3776, 3872, 3938, 5192, 5728, 7139, 7744, 7876, 10384, 10561, 11456, 14278, 15752, 20768, 21122, 21659, 28556, 31504, 41536, 42244, 43318, 57112, 63008, 84488, 86636, 114224, 116171, 126016, 168976, 173272, 228448, 232342, 337952, 346544, 456896, 464684, 675904, 693088, 929368, 1277881, 1386176, 1858736, 2555762, 3717472, 5111524, 7434944, 10223048, 20446096, 40892192, 81784384]

約数ペア:

[(1, 81784384), (2, 40892192), (4, 20446096), (8, 10223048), (11, 7434944), (16, 5111524), (22, 3717472), (32, 2555762), (44, 1858736), (59, 1386176), (64, 1277881), (88, 929368), (118, 693088), (121, 675904), (176, 464684), (179, 456896), (236, 346544), (242, 337952), (352, 232342), (358, 228448), (472, 173272), (484, 168976), (649, 126016), (704, 116171), (716, 114224), (944, 86636), (968, 84488), (1298, 63008), (1432, 57112), (1888, 43318), (1936, 42244), (1969, 41536), (2596, 31504), (2864, 28556), (3776, 21659), (3872, 21122), (3938, 20768), (5192, 15752), (5728, 14278), (7139, 11456), (7744, 10561), (7876, 10384)]