661693696

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4691}}^1$

素因数の和:4755

約数の個数: 72

約数和(自身を含む): 1438567200

約数和(自身を除く): 776873504

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 152, 232, 256, 304, 464, 551, 608, 928, 1102, 1216, 1856, 2204, 2432, 3712, 4408, 4691, 4864, 7424, 8816, 9382, 17632, 18764, 35264, 37528, 70528, 75056, 89129, 136039, 141056, 150112, 178258, 272078, 300224, 356516, 544156, 600448, 713032, 1088312, 1200896, 1426064, 2176624, 2584741, 2852128, 4353248, 5169482, 5704256, 8706496, 10338964, 11408512, 17412992, 20677928, 22817024, 34825984, 41355856, 82711712, 165423424, 330846848, 661693696]

約数ペア:

[(1, 661693696), (2, 330846848), (4, 165423424), (8, 82711712), (16, 41355856), (19, 34825984), (29, 22817024), (32, 20677928), (38, 17412992), (58, 11408512), (64, 10338964), (76, 8706496), (116, 5704256), (128, 5169482), (152, 4353248), (232, 2852128), (256, 2584741), (304, 2176624), (464, 1426064), (551, 1200896), (608, 1088312), (928, 713032), (1102, 600448), (1216, 544156), (1856, 356516), (2204, 300224), (2432, 272078), (3712, 178258), (4408, 150112), (4691, 141056), (4864, 136039), (7424, 89129), (8816, 75056), (9382, 70528), (17632, 37528), (18764, 35264)]