128234988

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 393329664

約数和(自身を除く): 265094676

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 81, 84, 94, 108, 126, 141, 162, 188, 189, 243, 252, 282, 324, 329, 378, 401, 423, 486, 564, 567, 658, 756, 802, 846, 972, 987, 1134, 1203, 1269, 1316, 1604, 1692, 1701, 1974, 2268, 2406, 2538, 2807, 2961, 3402, 3609, 3807, 3948, 4812, 5076, 5614, 5922, 6804, 7218, 7614, 8421, 8883, 10827, 11228, 11421, 11844, 14436, 15228, 16842, 17766, 18847, 21654, 22842, 25263, 26649, 32481, 33684, 35532, 37694, 43308, 45684, 50526, 53298, 56541, 64962, 75388, 75789, 79947, 97443, 101052, 106596, 113082, 129924, 131929, 151578, 159894, 169623, 194886, 226164, 227367, 263858, 303156, 319788, 339246, 389772, 395787, 454734, 508869, 527716, 678492, 682101, 791574, 909468, 1017738, 1187361, 1364202, 1526607, 1583148, 2035476, 2374722, 2728404, 3053214, 3562083, 4579821, 4749444, 6106428, 7124166, 9159642, 10686249, 14248332, 18319284, 21372498, 32058747, 42744996, 64117494, 128234988]

約数ペア:

[(1, 128234988), (2, 64117494), (3, 42744996), (4, 32058747), (6, 21372498), (7, 18319284), (9, 14248332), (12, 10686249), (14, 9159642), (18, 7124166), (21, 6106428), (27, 4749444), (28, 4579821), (36, 3562083), (42, 3053214), (47, 2728404), (54, 2374722), (63, 2035476), (81, 1583148), (84, 1526607), (94, 1364202), (108, 1187361), (126, 1017738), (141, 909468), (162, 791574), (188, 682101), (189, 678492), (243, 527716), (252, 508869), (282, 454734), (324, 395787), (329, 389772), (378, 339246), (401, 319788), (423, 303156), (486, 263858), (564, 227367), (567, 226164), (658, 194886), (756, 169623), (802, 159894), (846, 151578), (972, 131929), (987, 129924), (1134, 113082), (1203, 106596), (1269, 101052), (1316, 97443), (1604, 79947), (1692, 75789), (1701, 75388), (1974, 64962), (2268, 56541), (2406, 53298), (2538, 50526), (2807, 45684), (2961, 43308), (3402, 37694), (3609, 35532), (3807, 33684), (3948, 32481), (4812, 26649), (5076, 25263), (5614, 22842), (5922, 21654), (6804, 18847), (7218, 17766), (7614, 16842), (8421, 15228), (8883, 14436), (10827, 11844), (11228, 11421)]