289403972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:937

約数の個数: 96

約数和(自身を含む): 647270400

約数和(自身を除く): 357866428

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 31, 38, 44, 52, 62, 76, 124, 143, 209, 247, 286, 341, 403, 418, 494, 572, 589, 682, 806, 836, 859, 988, 1178, 1364, 1612, 1718, 2356, 2717, 3436, 4433, 5434, 6479, 7657, 8866, 9449, 10868, 11167, 12958, 15314, 16321, 17732, 18898, 22334, 25916, 26629, 30628, 32642, 37796, 44668, 53258, 65284, 84227, 106516, 122837, 168454, 179531, 212173, 245674, 292919, 336908, 346177, 359062, 424346, 491348, 505951, 585838, 692354, 718124, 848692, 1011902, 1171676, 1384708, 2023804, 2333903, 3807947, 4667806, 5565461, 6577363, 7615894, 9335612, 11130922, 13154726, 15231788, 22261844, 26309452, 72350993, 144701986, 289403972]

約数ペア:

[(1, 289403972), (2, 144701986), (4, 72350993), (11, 26309452), (13, 22261844), (19, 15231788), (22, 13154726), (26, 11130922), (31, 9335612), (38, 7615894), (44, 6577363), (52, 5565461), (62, 4667806), (76, 3807947), (124, 2333903), (143, 2023804), (209, 1384708), (247, 1171676), (286, 1011902), (341, 848692), (403, 718124), (418, 692354), (494, 585838), (572, 505951), (589, 491348), (682, 424346), (806, 359062), (836, 346177), (859, 336908), (988, 292919), (1178, 245674), (1364, 212173), (1612, 179531), (1718, 168454), (2356, 122837), (2717, 106516), (3436, 84227), (4433, 65284), (5434, 53258), (6479, 44668), (7657, 37796), (8866, 32642), (9449, 30628), (10868, 26629), (11167, 25916), (12958, 22334), (15314, 18898), (16321, 17732)]