28779348

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 75999168

約数和(自身を除く): 47219820

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 169, 276, 299, 338, 507, 598, 617, 676, 897, 1014, 1196, 1234, 1794, 1851, 2028, 2468, 3588, 3702, 3887, 7404, 7774, 8021, 11661, 14191, 15548, 16042, 23322, 24063, 28382, 32084, 42573, 46644, 48126, 56764, 85146, 96252, 104273, 170292, 184483, 208546, 312819, 368966, 417092, 553449, 625638, 737932, 1106898, 1251276, 2213796, 2398279, 4796558, 7194837, 9593116, 14389674, 28779348]

約数ペア:

[(1, 28779348), (2, 14389674), (3, 9593116), (4, 7194837), (6, 4796558), (12, 2398279), (13, 2213796), (23, 1251276), (26, 1106898), (39, 737932), (46, 625638), (52, 553449), (69, 417092), (78, 368966), (92, 312819), (138, 208546), (156, 184483), (169, 170292), (276, 104273), (299, 96252), (338, 85146), (507, 56764), (598, 48126), (617, 46644), (676, 42573), (897, 32084), (1014, 28382), (1196, 24063), (1234, 23322), (1794, 16042), (1851, 15548), (2028, 14191), (2468, 11661), (3588, 8021), (3702, 7774), (3887, 7404)]