28277784

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^2\times {\mathrm{467}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 79487460

約数和(自身を除く): 51209676

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 467, 522, 696, 841, 934, 1044, 1401, 1682, 1868, 2088, 2523, 2802, 3364, 3736, 4203, 5046, 5604, 6728, 7569, 8406, 10092, 11208, 13543, 15138, 16812, 20184, 27086, 30276, 33624, 40629, 54172, 60552, 81258, 108344, 121887, 162516, 243774, 325032, 392747, 487548, 785494, 975096, 1178241, 1570988, 2356482, 3141976, 3534723, 4712964, 7069446, 9425928, 14138892, 28277784]

約数ペア:

[(1, 28277784), (2, 14138892), (3, 9425928), (4, 7069446), (6, 4712964), (8, 3534723), (9, 3141976), (12, 2356482), (18, 1570988), (24, 1178241), (29, 975096), (36, 785494), (58, 487548), (72, 392747), (87, 325032), (116, 243774), (174, 162516), (232, 121887), (261, 108344), (348, 81258), (467, 60552), (522, 54172), (696, 40629), (841, 33624), (934, 30276), (1044, 27086), (1401, 20184), (1682, 16812), (1868, 15138), (2088, 13543), (2523, 11208), (2802, 10092), (3364, 8406), (3736, 7569), (4203, 6728), (5046, 5604)]