17771868

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 48353760

約数和(自身を除く): 30581892

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 71, 102, 142, 153, 204, 213, 284, 306, 409, 426, 612, 639, 818, 852, 1207, 1227, 1278, 1636, 2414, 2454, 2556, 3621, 3681, 4828, 4908, 6953, 7242, 7362, 10863, 13906, 14484, 14724, 20859, 21726, 27812, 29039, 41718, 43452, 58078, 62577, 83436, 87117, 116156, 125154, 174234, 250308, 261351, 348468, 493663, 522702, 987326, 1045404, 1480989, 1974652, 2961978, 4442967, 5923956, 8885934, 17771868]

約数ペア:

[(1, 17771868), (2, 8885934), (3, 5923956), (4, 4442967), (6, 2961978), (9, 1974652), (12, 1480989), (17, 1045404), (18, 987326), (34, 522702), (36, 493663), (51, 348468), (68, 261351), (71, 250308), (102, 174234), (142, 125154), (153, 116156), (204, 87117), (213, 83436), (284, 62577), (306, 58078), (409, 43452), (426, 41718), (612, 29039), (639, 27812), (818, 21726), (852, 20859), (1207, 14724), (1227, 14484), (1278, 13906), (1636, 10863), (2414, 7362), (2454, 7242), (2556, 6953), (3621, 4908), (3681, 4828)]