207978256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:848

約数の個数: 80

約数和(自身を含む): 453542400

約数和(自身を除く): 245564144

約数列:

[1, 2, 4, 8, 16, 19, 29, 31, 38, 58, 62, 76, 116, 124, 152, 232, 248, 304, 464, 496, 551, 589, 761, 899, 1102, 1178, 1522, 1798, 2204, 2356, 3044, 3596, 4408, 4712, 6088, 7192, 8816, 9424, 12176, 14384, 14459, 17081, 22069, 23591, 28918, 34162, 44138, 47182, 57836, 68324, 88276, 94364, 115672, 136648, 176552, 188728, 231344, 273296, 353104, 377456, 419311, 448229, 684139, 838622, 896458, 1368278, 1677244, 1792916, 2736556, 3354488, 3585832, 5473112, 6708976, 7171664, 10946224, 12998641, 25997282, 51994564, 103989128, 207978256]

約数ペア:

[(1, 207978256), (2, 103989128), (4, 51994564), (8, 25997282), (16, 12998641), (19, 10946224), (29, 7171664), (31, 6708976), (38, 5473112), (58, 3585832), (62, 3354488), (76, 2736556), (116, 1792916), (124, 1677244), (152, 1368278), (232, 896458), (248, 838622), (304, 684139), (464, 448229), (496, 419311), (551, 377456), (589, 353104), (761, 273296), (899, 231344), (1102, 188728), (1178, 176552), (1522, 136648), (1798, 115672), (2204, 94364), (2356, 88276), (3044, 68324), (3596, 57836), (4408, 47182), (4712, 44138), (6088, 34162), (7192, 28918), (8816, 23591), (9424, 22069), (12176, 17081), (14384, 14459)]