2178707778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{1489}}^1$

素因数の和:1573

約数の個数: 96

約数和(自身を含む): 5255468400

約数和(自身を除く): 3076760622

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 169, 222, 234, 333, 338, 481, 507, 666, 962, 1014, 1443, 1489, 1521, 2197, 2886, 2978, 3042, 4329, 4394, 4467, 6253, 6591, 8658, 8934, 12506, 13182, 13401, 18759, 19357, 19773, 26802, 37518, 38714, 39546, 55093, 56277, 58071, 81289, 110186, 112554, 116142, 162578, 165279, 174213, 243867, 251641, 330558, 348426, 487734, 495837, 503282, 716209, 731601, 754923, 991674, 1432418, 1463202, 1509846, 2148627, 2264769, 3271333, 4297254, 4529538, 6445881, 6542666, 9310717, 9813999, 12891762, 18621434, 19627998, 27932151, 29441997, 55864302, 58883994, 83796453, 121039321, 167592906, 242078642, 363117963, 726235926, 1089353889, 2178707778]

約数ペア:

[(1, 2178707778), (2, 1089353889), (3, 726235926), (6, 363117963), (9, 242078642), (13, 167592906), (18, 121039321), (26, 83796453), (37, 58883994), (39, 55864302), (74, 29441997), (78, 27932151), (111, 19627998), (117, 18621434), (169, 12891762), (222, 9813999), (234, 9310717), (333, 6542666), (338, 6445881), (481, 4529538), (507, 4297254), (666, 3271333), (962, 2264769), (1014, 2148627), (1443, 1509846), (1489, 1463202), (1521, 1432418), (2197, 991674), (2886, 754923), (2978, 731601), (3042, 716209), (4329, 503282), (4394, 495837), (4467, 487734), (6253, 348426), (6591, 330558), (8658, 251641), (8934, 243867), (12506, 174213), (13182, 165279), (13401, 162578), (18759, 116142), (19357, 112554), (19773, 110186), (26802, 81289), (37518, 58071), (38714, 56277), (39546, 55093)]