388638723

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 610467840

約数和(自身を除く): 221829117

約数列:

[1, 3, 11, 31, 33, 47, 59, 93, 137, 141, 177, 341, 411, 517, 649, 1023, 1457, 1507, 1551, 1829, 1947, 2773, 4247, 4371, 4521, 5487, 6439, 8083, 8319, 12741, 16027, 19317, 20119, 24249, 30503, 46717, 48081, 60357, 70829, 85963, 88913, 91509, 140151, 199609, 212487, 250573, 257889, 266739, 379901, 598827, 751719, 945593, 1139703, 2195699, 2756303, 2836779, 4178911, 6587097, 8268909, 11776931, 12536733, 35330793, 129546241, 388638723]

約数ペア:

[(1, 388638723), (3, 129546241), (11, 35330793), (31, 12536733), (33, 11776931), (47, 8268909), (59, 6587097), (93, 4178911), (137, 2836779), (141, 2756303), (177, 2195699), (341, 1139703), (411, 945593), (517, 751719), (649, 598827), (1023, 379901), (1457, 266739), (1507, 257889), (1551, 250573), (1829, 212487), (1947, 199609), (2773, 140151), (4247, 91509), (4371, 88913), (4521, 85963), (5487, 70829), (6439, 60357), (8083, 48081), (8319, 46717), (12741, 30503), (16027, 24249), (19317, 20119)]