28392364

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1013}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 67970448

約数和(自身を除く): 39578084

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1013, 1078, 1274, 2002, 2026, 2156, 2548, 4004, 4052, 7007, 7091, 11143, 13169, 14014, 14182, 22286, 26338, 28028, 28364, 44572, 49637, 52676, 78001, 92183, 99274, 144859, 156002, 184366, 198548, 289718, 312004, 368732, 546007, 579436, 645281, 1014013, 1092014, 1290562, 2028026, 2184028, 2581124, 4056052, 7098091, 14196182, 28392364]

約数ペア:

[(1, 28392364), (2, 14196182), (4, 7098091), (7, 4056052), (11, 2581124), (13, 2184028), (14, 2028026), (22, 1290562), (26, 1092014), (28, 1014013), (44, 645281), (49, 579436), (52, 546007), (77, 368732), (91, 312004), (98, 289718), (143, 198548), (154, 184366), (182, 156002), (196, 144859), (286, 99274), (308, 92183), (364, 78001), (539, 52676), (572, 49637), (637, 44572), (1001, 28364), (1013, 28028), (1078, 26338), (1274, 22286), (2002, 14182), (2026, 14014), (2156, 13169), (2548, 11143), (4004, 7091), (4052, 7007)]