393470848

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:388

約数の個数: 128

約数和(自身を含む): 904780800

約数和(自身を除く): 511309952

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 62, 64, 68, 76, 124, 128, 136, 152, 248, 272, 304, 307, 323, 496, 527, 544, 589, 608, 614, 646, 992, 1054, 1088, 1178, 1216, 1228, 1292, 1984, 2108, 2176, 2356, 2432, 2456, 2584, 3968, 4216, 4712, 4912, 5168, 5219, 5833, 8432, 9424, 9517, 9824, 10013, 10336, 10438, 11666, 16864, 18848, 19034, 19648, 20026, 20672, 20876, 23332, 33728, 37696, 38068, 39296, 40052, 41344, 41752, 46664, 67456, 75392, 76136, 80104, 83504, 93328, 99161, 152272, 160208, 161789, 167008, 180823, 186656, 198322, 304544, 320416, 323578, 334016, 361646, 373312, 396644, 609088, 640832, 647156, 668032, 723292, 746624, 793288, 1218176, 1281664, 1294312, 1446584, 1586576, 2588624, 2893168, 3073991, 3173152, 5177248, 5786336, 6147982, 6346304, 10354496, 11572672, 12295964, 12692608, 20708992, 23145344, 24591928, 49183856, 98367712, 196735424, 393470848]

約数ペア:

[(1, 393470848), (2, 196735424), (4, 98367712), (8, 49183856), (16, 24591928), (17, 23145344), (19, 20708992), (31, 12692608), (32, 12295964), (34, 11572672), (38, 10354496), (62, 6346304), (64, 6147982), (68, 5786336), (76, 5177248), (124, 3173152), (128, 3073991), (136, 2893168), (152, 2588624), (248, 1586576), (272, 1446584), (304, 1294312), (307, 1281664), (323, 1218176), (496, 793288), (527, 746624), (544, 723292), (589, 668032), (608, 647156), (614, 640832), (646, 609088), (992, 396644), (1054, 373312), (1088, 361646), (1178, 334016), (1216, 323578), (1228, 320416), (1292, 304544), (1984, 198322), (2108, 186656), (2176, 180823), (2356, 167008), (2432, 161789), (2456, 160208), (2584, 152272), (3968, 99161), (4216, 93328), (4712, 83504), (4912, 80104), (5168, 76136), (5219, 75392), (5833, 67456), (8432, 46664), (9424, 41752), (9517, 41344), (9824, 40052), (10013, 39296), (10336, 38068), (10438, 37696), (11666, 33728), (16864, 23332), (18848, 20876), (19034, 20672), (19648, 20026)]