1398446388

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{2593}}^1$

素因数の和:2885

約数の個数: 72

約数和(自身を含む): 3603128256

約数和(自身を除く): 2204681868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 211, 213, 284, 422, 426, 633, 639, 844, 852, 1266, 1278, 1899, 2532, 2556, 2593, 3798, 5186, 7596, 7779, 10372, 14981, 15558, 23337, 29962, 31116, 44943, 46674, 59924, 89886, 93348, 134829, 179772, 184103, 269658, 368206, 539316, 547123, 552309, 736412, 1094246, 1104618, 1641369, 1656927, 2188492, 2209236, 3282738, 3313854, 4924107, 6565476, 6627708, 9848214, 19696428, 38845733, 77691466, 116537199, 155382932, 233074398, 349611597, 466148796, 699223194, 1398446388]

約数ペア:

[(1, 1398446388), (2, 699223194), (3, 466148796), (4, 349611597), (6, 233074398), (9, 155382932), (12, 116537199), (18, 77691466), (36, 38845733), (71, 19696428), (142, 9848214), (211, 6627708), (213, 6565476), (284, 4924107), (422, 3313854), (426, 3282738), (633, 2209236), (639, 2188492), (844, 1656927), (852, 1641369), (1266, 1104618), (1278, 1094246), (1899, 736412), (2532, 552309), (2556, 547123), (2593, 539316), (3798, 368206), (5186, 269658), (7596, 184103), (7779, 179772), (10372, 134829), (14981, 93348), (15558, 89886), (23337, 59924), (29962, 46674), (31116, 44943)]