257146736

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6733}}^1$

素因数の和:6790

約数の個数: 80

約数和(自身を含む): 641292288

約数和(自身を除く): 384145552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 248, 308, 341, 434, 496, 616, 682, 868, 1232, 1364, 1736, 2387, 2728, 3472, 4774, 5456, 6733, 9548, 13466, 19096, 26932, 38192, 47131, 53864, 74063, 94262, 107728, 148126, 188524, 208723, 296252, 377048, 417446, 518441, 592504, 754096, 834892, 1036882, 1185008, 1461061, 1669784, 2073764, 2295953, 2922122, 3339568, 4147528, 4591906, 5844244, 8295056, 9183812, 11688488, 16071671, 18367624, 23376976, 32143342, 36735248, 64286684, 128573368, 257146736]

約数ペア:

[(1, 257146736), (2, 128573368), (4, 64286684), (7, 36735248), (8, 32143342), (11, 23376976), (14, 18367624), (16, 16071671), (22, 11688488), (28, 9183812), (31, 8295056), (44, 5844244), (56, 4591906), (62, 4147528), (77, 3339568), (88, 2922122), (112, 2295953), (124, 2073764), (154, 1669784), (176, 1461061), (217, 1185008), (248, 1036882), (308, 834892), (341, 754096), (434, 592504), (496, 518441), (616, 417446), (682, 377048), (868, 296252), (1232, 208723), (1364, 188524), (1736, 148126), (2387, 107728), (2728, 94262), (3472, 74063), (4774, 53864), (5456, 47131), (6733, 38192), (9548, 26932), (13466, 19096)]