398484416

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^3$

素因数の和:135

約数の個数: 112

約数和(自身を含む): 938296320

約数和(自身を除く): 539811904

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 64, 76, 88, 124, 152, 176, 209, 248, 304, 341, 352, 418, 496, 589, 608, 682, 704, 836, 961, 992, 1178, 1216, 1364, 1672, 1922, 1984, 2356, 2728, 3344, 3844, 4712, 5456, 6479, 6688, 7688, 9424, 10571, 10912, 12958, 13376, 15376, 18259, 18848, 21142, 21824, 25916, 29791, 30752, 36518, 37696, 42284, 51832, 59582, 61504, 73036, 84568, 103664, 119164, 146072, 169136, 200849, 207328, 238328, 292144, 327701, 338272, 401698, 414656, 476656, 566029, 584288, 655402, 676544, 803396, 953312, 1132058, 1168576, 1310804, 1606792, 1906624, 2264116, 2621608, 3213584, 4528232, 5243216, 6226319, 6427168, 9056464, 10486432, 12452638, 12854336, 18112928, 20972864, 24905276, 36225856, 49810552, 99621104, 199242208, 398484416]

約数ペア:

[(1, 398484416), (2, 199242208), (4, 99621104), (8, 49810552), (11, 36225856), (16, 24905276), (19, 20972864), (22, 18112928), (31, 12854336), (32, 12452638), (38, 10486432), (44, 9056464), (62, 6427168), (64, 6226319), (76, 5243216), (88, 4528232), (124, 3213584), (152, 2621608), (176, 2264116), (209, 1906624), (248, 1606792), (304, 1310804), (341, 1168576), (352, 1132058), (418, 953312), (496, 803396), (589, 676544), (608, 655402), (682, 584288), (704, 566029), (836, 476656), (961, 414656), (992, 401698), (1178, 338272), (1216, 327701), (1364, 292144), (1672, 238328), (1922, 207328), (1984, 200849), (2356, 169136), (2728, 146072), (3344, 119164), (3844, 103664), (4712, 84568), (5456, 73036), (6479, 61504), (6688, 59582), (7688, 51832), (9424, 42284), (10571, 37696), (10912, 36518), (12958, 30752), (13376, 29791), (15376, 25916), (18259, 21824), (18848, 21142)]