72103256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 149597280

約数和(自身を除く): 77494024

約数列:

[1, 2, 4, 8, 17, 34, 41, 67, 68, 82, 134, 136, 164, 193, 268, 328, 386, 536, 697, 772, 1139, 1394, 1544, 2278, 2747, 2788, 3281, 4556, 5494, 5576, 6562, 7913, 9112, 10988, 12931, 13124, 15826, 21976, 25862, 26248, 31652, 46699, 51724, 63304, 93398, 103448, 134521, 186796, 219827, 269042, 373592, 439654, 530171, 538084, 879308, 1060342, 1076168, 1758616, 2120684, 4241368, 9012907, 18025814, 36051628, 72103256]

約数ペア:

[(1, 72103256), (2, 36051628), (4, 18025814), (8, 9012907), (17, 4241368), (34, 2120684), (41, 1758616), (67, 1076168), (68, 1060342), (82, 879308), (134, 538084), (136, 530171), (164, 439654), (193, 373592), (268, 269042), (328, 219827), (386, 186796), (536, 134521), (697, 103448), (772, 93398), (1139, 63304), (1394, 51724), (1544, 46699), (2278, 31652), (2747, 26248), (2788, 25862), (3281, 21976), (4556, 15826), (5494, 13124), (5576, 12931), (6562, 10988), (7913, 9112)]