291265832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 681246720

約数和(自身を除く): 389980888

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 43, 44, 52, 62, 86, 88, 104, 124, 143, 172, 191, 248, 286, 341, 344, 382, 403, 473, 559, 572, 682, 764, 806, 946, 1118, 1144, 1333, 1364, 1528, 1612, 1892, 2101, 2236, 2483, 2666, 2728, 3224, 3784, 4202, 4433, 4472, 4966, 5332, 5921, 6149, 8213, 8404, 8866, 9932, 10664, 11842, 12298, 14663, 16426, 16808, 17329, 17732, 19864, 23684, 24596, 27313, 29326, 32852, 34658, 35464, 47368, 49192, 54626, 58652, 65131, 65704, 69316, 76973, 90343, 106769, 109252, 117304, 130262, 138632, 153946, 180686, 190619, 213538, 218504, 254603, 260524, 307892, 361372, 381238, 427076, 509206, 521048, 615784, 722744, 762476, 846703, 854152, 1018412, 1174459, 1524952, 1693406, 2036824, 2348918, 2800633, 3309839, 3386812, 4697836, 5601266, 6619678, 6773624, 9395672, 11202532, 13239356, 22405064, 26478712, 36408229, 72816458, 145632916, 291265832]

約数ペア:

[(1, 291265832), (2, 145632916), (4, 72816458), (8, 36408229), (11, 26478712), (13, 22405064), (22, 13239356), (26, 11202532), (31, 9395672), (43, 6773624), (44, 6619678), (52, 5601266), (62, 4697836), (86, 3386812), (88, 3309839), (104, 2800633), (124, 2348918), (143, 2036824), (172, 1693406), (191, 1524952), (248, 1174459), (286, 1018412), (341, 854152), (344, 846703), (382, 762476), (403, 722744), (473, 615784), (559, 521048), (572, 509206), (682, 427076), (764, 381238), (806, 361372), (946, 307892), (1118, 260524), (1144, 254603), (1333, 218504), (1364, 213538), (1528, 190619), (1612, 180686), (1892, 153946), (2101, 138632), (2236, 130262), (2483, 117304), (2666, 109252), (2728, 106769), (3224, 90343), (3784, 76973), (4202, 69316), (4433, 65704), (4472, 65131), (4966, 58652), (5332, 54626), (5921, 49192), (6149, 47368), (8213, 35464), (8404, 34658), (8866, 32852), (9932, 29326), (10664, 27313), (11842, 24596), (12298, 23684), (14663, 19864), (16426, 17732), (16808, 17329)]