1262753128

素因数分解:

$2^3\times 7^4\times {\mathrm{13}}^2\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 120

約数和(自身を含む): 2998610550

約数和(自身を除く): 1735857422

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 169, 182, 196, 338, 343, 364, 389, 392, 637, 676, 686, 728, 778, 1183, 1274, 1352, 1372, 1556, 2366, 2401, 2548, 2723, 2744, 3112, 4459, 4732, 4802, 5057, 5096, 5446, 8281, 8918, 9464, 9604, 10114, 10892, 16562, 17836, 19061, 19208, 20228, 21784, 31213, 33124, 35399, 35672, 38122, 40456, 57967, 62426, 65741, 66248, 70798, 76244, 115934, 124852, 131482, 133427, 141596, 152488, 231868, 247793, 249704, 262964, 266854, 283192, 405769, 460187, 463736, 495586, 525928, 533708, 811538, 920374, 933989, 991172, 1067416, 1623076, 1734551, 1840748, 1867978, 1982344, 3221309, 3246152, 3469102, 3681496, 3735956, 6442618, 6938204, 7471912, 12141857, 12885236, 13876408, 22549163, 24283714, 25770472, 45098326, 48567428, 90196652, 97134856, 157844141, 180393304, 315688282, 631376564, 1262753128]

約数ペア:

[(1, 1262753128), (2, 631376564), (4, 315688282), (7, 180393304), (8, 157844141), (13, 97134856), (14, 90196652), (26, 48567428), (28, 45098326), (49, 25770472), (52, 24283714), (56, 22549163), (91, 13876408), (98, 12885236), (104, 12141857), (169, 7471912), (182, 6938204), (196, 6442618), (338, 3735956), (343, 3681496), (364, 3469102), (389, 3246152), (392, 3221309), (637, 1982344), (676, 1867978), (686, 1840748), (728, 1734551), (778, 1623076), (1183, 1067416), (1274, 991172), (1352, 933989), (1372, 920374), (1556, 811538), (2366, 533708), (2401, 525928), (2548, 495586), (2723, 463736), (2744, 460187), (3112, 405769), (4459, 283192), (4732, 266854), (4802, 262964), (5057, 249704), (5096, 247793), (5446, 231868), (8281, 152488), (8918, 141596), (9464, 133427), (9604, 131482), (10114, 124852), (10892, 115934), (16562, 76244), (17836, 70798), (19061, 66248), (19208, 65741), (20228, 62426), (21784, 57967), (31213, 40456), (33124, 38122), (35399, 35672)]