398727952

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2888

約数の個数: 80

約数和(自身を含む): 933940224

約数和(自身を除く): 535212272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 41, 56, 62, 82, 112, 124, 164, 217, 248, 287, 328, 434, 496, 574, 656, 868, 1148, 1271, 1736, 2296, 2542, 2801, 3472, 4592, 5084, 5602, 8897, 10168, 11204, 17794, 19607, 20336, 22408, 35588, 39214, 44816, 71176, 78428, 86831, 114841, 142352, 156856, 173662, 229682, 313712, 347324, 459364, 607817, 694648, 803887, 918728, 1215634, 1389296, 1607774, 1837456, 2431268, 3215548, 3560071, 4862536, 6431096, 7120142, 9725072, 12862192, 14240284, 24920497, 28480568, 49840994, 56961136, 99681988, 199363976, 398727952]

約数ペア:

[(1, 398727952), (2, 199363976), (4, 99681988), (7, 56961136), (8, 49840994), (14, 28480568), (16, 24920497), (28, 14240284), (31, 12862192), (41, 9725072), (56, 7120142), (62, 6431096), (82, 4862536), (112, 3560071), (124, 3215548), (164, 2431268), (217, 1837456), (248, 1607774), (287, 1389296), (328, 1215634), (434, 918728), (496, 803887), (574, 694648), (656, 607817), (868, 459364), (1148, 347324), (1271, 313712), (1736, 229682), (2296, 173662), (2542, 156856), (2801, 142352), (3472, 114841), (4592, 86831), (5084, 78428), (5602, 71176), (8897, 44816), (10168, 39214), (11204, 35588), (17794, 22408), (19607, 20336)]