408520976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:772

約数の個数: 80

約数和(自身を含む): 874229760

約数和(自身を除く): 465708784

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 67, 76, 124, 134, 152, 248, 268, 304, 496, 536, 589, 647, 1072, 1178, 1273, 1294, 2077, 2356, 2546, 2588, 4154, 4712, 5092, 5176, 8308, 9424, 10184, 10352, 12293, 16616, 20057, 20368, 24586, 33232, 39463, 40114, 43349, 49172, 78926, 80228, 86698, 98344, 157852, 160456, 173396, 196688, 315704, 320912, 346792, 381083, 631408, 693584, 762166, 823631, 1343819, 1524332, 1647262, 2687638, 3048664, 3294524, 5375276, 6097328, 6589048, 10750552, 13178096, 21501104, 25532561, 51065122, 102130244, 204260488, 408520976]

約数ペア:

[(1, 408520976), (2, 204260488), (4, 102130244), (8, 51065122), (16, 25532561), (19, 21501104), (31, 13178096), (38, 10750552), (62, 6589048), (67, 6097328), (76, 5375276), (124, 3294524), (134, 3048664), (152, 2687638), (248, 1647262), (268, 1524332), (304, 1343819), (496, 823631), (536, 762166), (589, 693584), (647, 631408), (1072, 381083), (1178, 346792), (1273, 320912), (1294, 315704), (2077, 196688), (2356, 173396), (2546, 160456), (2588, 157852), (4154, 98344), (4712, 86698), (5092, 80228), (5176, 78926), (8308, 49172), (9424, 43349), (10184, 40114), (10352, 39463), (12293, 33232), (16616, 24586), (20057, 20368)]