31515344

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 74757120

約数和(自身を除く): 43241776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 56, 58, 62, 112, 116, 124, 203, 217, 232, 248, 313, 406, 434, 464, 496, 626, 812, 868, 899, 1252, 1624, 1736, 1798, 2191, 2504, 3248, 3472, 3596, 4382, 5008, 6293, 7192, 8764, 9077, 9703, 12586, 14384, 17528, 18154, 19406, 25172, 35056, 36308, 38812, 50344, 63539, 67921, 72616, 77624, 100688, 127078, 135842, 145232, 155248, 254156, 271684, 281387, 508312, 543368, 562774, 1016624, 1086736, 1125548, 1969709, 2251096, 3939418, 4502192, 7878836, 15757672, 31515344]

約数ペア:

[(1, 31515344), (2, 15757672), (4, 7878836), (7, 4502192), (8, 3939418), (14, 2251096), (16, 1969709), (28, 1125548), (29, 1086736), (31, 1016624), (56, 562774), (58, 543368), (62, 508312), (112, 281387), (116, 271684), (124, 254156), (203, 155248), (217, 145232), (232, 135842), (248, 127078), (313, 100688), (406, 77624), (434, 72616), (464, 67921), (496, 63539), (626, 50344), (812, 38812), (868, 36308), (899, 35056), (1252, 25172), (1624, 19406), (1736, 18154), (1798, 17528), (2191, 14384), (2504, 12586), (3248, 9703), (3472, 9077), (3596, 8764), (4382, 7192), (5008, 6293)]