289449108

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 827753472

約数和(自身を除く): 538304364

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 71, 78, 93, 117, 124, 142, 156, 186, 213, 234, 279, 281, 284, 372, 403, 426, 468, 558, 562, 639, 806, 843, 852, 923, 1116, 1124, 1209, 1278, 1612, 1686, 1846, 2201, 2418, 2529, 2556, 2769, 3372, 3627, 3653, 3692, 4402, 4836, 5058, 5538, 6603, 7254, 7306, 8307, 8711, 8804, 10116, 10959, 11076, 13206, 14508, 14612, 16614, 17422, 19809, 19951, 21918, 26133, 26412, 28613, 32877, 33228, 34844, 39618, 39902, 43836, 52266, 57226, 59853, 65754, 78399, 79236, 79804, 85839, 104532, 113243, 114452, 119706, 131508, 156798, 171678, 179559, 226486, 239412, 257517, 259363, 313596, 339729, 343356, 359118, 452972, 515034, 518726, 618481, 679458, 718236, 778089, 1019187, 1030068, 1037452, 1236962, 1358916, 1556178, 1855443, 2038374, 2334267, 2473924, 3112356, 3710886, 4076748, 4668534, 5566329, 7421772, 8040253, 9337068, 11132658, 16080506, 22265316, 24120759, 32161012, 48241518, 72362277, 96483036, 144724554, 289449108]

約数ペア:

[(1, 289449108), (2, 144724554), (3, 96483036), (4, 72362277), (6, 48241518), (9, 32161012), (12, 24120759), (13, 22265316), (18, 16080506), (26, 11132658), (31, 9337068), (36, 8040253), (39, 7421772), (52, 5566329), (62, 4668534), (71, 4076748), (78, 3710886), (93, 3112356), (117, 2473924), (124, 2334267), (142, 2038374), (156, 1855443), (186, 1556178), (213, 1358916), (234, 1236962), (279, 1037452), (281, 1030068), (284, 1019187), (372, 778089), (403, 718236), (426, 679458), (468, 618481), (558, 518726), (562, 515034), (639, 452972), (806, 359118), (843, 343356), (852, 339729), (923, 313596), (1116, 259363), (1124, 257517), (1209, 239412), (1278, 226486), (1612, 179559), (1686, 171678), (1846, 156798), (2201, 131508), (2418, 119706), (2529, 114452), (2556, 113243), (2769, 104532), (3372, 85839), (3627, 79804), (3653, 79236), (3692, 78399), (4402, 65754), (4836, 59853), (5058, 57226), (5538, 52266), (6603, 43836), (7254, 39902), (7306, 39618), (8307, 34844), (8711, 33228), (8804, 32877), (10116, 28613), (10959, 26412), (11076, 26133), (13206, 21918), (14508, 19951), (14612, 19809), (16614, 17422)]