72978984

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{77969}}^1$

素因数の和:77994

約数の個数: 48

約数和(自身を含む): 212858100

約数和(自身を除く): 139879116

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 77969, 155938, 233907, 311876, 467814, 623752, 701721, 935628, 1013597, 1403442, 1871256, 2027194, 2806884, 3040791, 4054388, 5613768, 6081582, 8108776, 9122373, 12163164, 18244746, 24326328, 36489492, 72978984]

約数ペア:

[(1, 72978984), (2, 36489492), (3, 24326328), (4, 18244746), (6, 12163164), (8, 9122373), (9, 8108776), (12, 6081582), (13, 5613768), (18, 4054388), (24, 3040791), (26, 2806884), (36, 2027194), (39, 1871256), (52, 1403442), (72, 1013597), (78, 935628), (104, 701721), (117, 623752), (156, 467814), (234, 311876), (312, 233907), (468, 155938), (936, 77969)]