256811936

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 551577600

約数和(自身を除く): 294765664

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 79, 113, 116, 124, 158, 226, 232, 248, 316, 452, 464, 496, 632, 899, 904, 928, 992, 1264, 1798, 1808, 2291, 2449, 2528, 3277, 3503, 3596, 3616, 4582, 4898, 6554, 7006, 7192, 8927, 9164, 9796, 13108, 14012, 14384, 17854, 18328, 19592, 26216, 28024, 28768, 35708, 36656, 39184, 52432, 56048, 71021, 71416, 73312, 78368, 101587, 104864, 112096, 142042, 142832, 203174, 258883, 276737, 284084, 285664, 406348, 517766, 553474, 568168, 812696, 1035532, 1106948, 1136336, 1625392, 2071064, 2213896, 2272672, 3250784, 4142128, 4427792, 8025373, 8284256, 8855584, 16050746, 32101492, 64202984, 128405968, 256811936]

約数ペア:

[(1, 256811936), (2, 128405968), (4, 64202984), (8, 32101492), (16, 16050746), (29, 8855584), (31, 8284256), (32, 8025373), (58, 4427792), (62, 4142128), (79, 3250784), (113, 2272672), (116, 2213896), (124, 2071064), (158, 1625392), (226, 1136336), (232, 1106948), (248, 1035532), (316, 812696), (452, 568168), (464, 553474), (496, 517766), (632, 406348), (899, 285664), (904, 284084), (928, 276737), (992, 258883), (1264, 203174), (1798, 142832), (1808, 142042), (2291, 112096), (2449, 104864), (2528, 101587), (3277, 78368), (3503, 73312), (3596, 71416), (3616, 71021), (4582, 56048), (4898, 52432), (6554, 39184), (7006, 36656), (7192, 35708), (8927, 28768), (9164, 28024), (9796, 26216), (13108, 19592), (14012, 18328), (14384, 17854)]