28012764

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:779

約数の個数: 72

約数和(自身を含む): 74605440

約数和(自身を除く): 46592676

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 169, 228, 247, 338, 494, 507, 676, 727, 741, 988, 1014, 1454, 1482, 2028, 2181, 2908, 2964, 3211, 4362, 6422, 8724, 9451, 9633, 12844, 13813, 18902, 19266, 27626, 28353, 37804, 38532, 41439, 55252, 56706, 82878, 113412, 122863, 165756, 179569, 245726, 359138, 368589, 491452, 538707, 718276, 737178, 1077414, 1474356, 2154828, 2334397, 4668794, 7003191, 9337588, 14006382, 28012764]

約数ペア:

[(1, 28012764), (2, 14006382), (3, 9337588), (4, 7003191), (6, 4668794), (12, 2334397), (13, 2154828), (19, 1474356), (26, 1077414), (38, 737178), (39, 718276), (52, 538707), (57, 491452), (76, 368589), (78, 359138), (114, 245726), (156, 179569), (169, 165756), (228, 122863), (247, 113412), (338, 82878), (494, 56706), (507, 55252), (676, 41439), (727, 38532), (741, 37804), (988, 28353), (1014, 27626), (1454, 19266), (1482, 18902), (2028, 13813), (2181, 12844), (2908, 9633), (2964, 9451), (3211, 8724), (4362, 6422)]