7890818864

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:551

約数の個数: 120

約数和(自身を含む): 16835493888

約数和(自身を除く): 8944675024

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 127, 152, 248, 254, 304, 347, 361, 496, 508, 589, 694, 722, 1016, 1178, 1388, 1444, 2032, 2356, 2413, 2776, 2888, 3937, 4712, 4826, 5552, 5776, 6593, 7874, 9424, 9652, 10757, 11191, 13186, 15748, 19304, 21514, 22382, 26372, 31496, 38608, 43028, 44069, 44764, 45847, 52744, 62992, 74803, 86056, 88138, 89528, 91694, 105488, 125267, 149606, 172112, 176276, 179056, 183388, 204383, 250534, 299212, 352552, 366776, 408766, 501068, 598424, 705104, 733552, 817532, 837311, 1002136, 1196848, 1366139, 1421257, 1635064, 1674622, 2004272, 2732278, 2842514, 3270128, 3349244, 3883277, 5464556, 5685028, 6698488, 7766554, 10929112, 11370056, 13396976, 15533108, 15908909, 21858224, 22740112, 25956641, 31066216, 31817818, 51913282, 62132432, 63635636, 103826564, 127271272, 207653128, 254542544, 415306256, 493176179, 986352358, 1972704716, 3945409432, 7890818864]

約数ペア:

[(1, 7890818864), (2, 3945409432), (4, 1972704716), (8, 986352358), (16, 493176179), (19, 415306256), (31, 254542544), (38, 207653128), (62, 127271272), (76, 103826564), (124, 63635636), (127, 62132432), (152, 51913282), (248, 31817818), (254, 31066216), (304, 25956641), (347, 22740112), (361, 21858224), (496, 15908909), (508, 15533108), (589, 13396976), (694, 11370056), (722, 10929112), (1016, 7766554), (1178, 6698488), (1388, 5685028), (1444, 5464556), (2032, 3883277), (2356, 3349244), (2413, 3270128), (2776, 2842514), (2888, 2732278), (3937, 2004272), (4712, 1674622), (4826, 1635064), (5552, 1421257), (5776, 1366139), (6593, 1196848), (7874, 1002136), (9424, 837311), (9652, 817532), (10757, 733552), (11191, 705104), (13186, 598424), (15748, 501068), (19304, 408766), (21514, 366776), (22382, 352552), (26372, 299212), (31496, 250534), (38608, 204383), (43028, 183388), (44069, 179056), (44764, 176276), (45847, 172112), (52744, 149606), (62992, 125267), (74803, 105488), (86056, 91694), (88138, 89528)]