1991342288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{5827}}^1$

素因数の和:5932

約数の個数: 80

約数和(自身を含む): 4370720256

約数和(自身を除く): 2379377968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 53, 62, 104, 106, 124, 208, 212, 248, 403, 424, 496, 689, 806, 848, 1378, 1612, 1643, 2756, 3224, 3286, 5512, 5827, 6448, 6572, 11024, 11654, 13144, 21359, 23308, 26288, 42718, 46616, 75751, 85436, 93232, 151502, 170872, 180637, 303004, 308831, 341744, 361274, 606008, 617662, 722548, 1212016, 1235324, 1445096, 2348281, 2470648, 2890192, 4014803, 4696562, 4941296, 8029606, 9393124, 9573761, 16059212, 18786248, 19147522, 32118424, 37572496, 38295044, 64236848, 76590088, 124458893, 153180176, 248917786, 497835572, 995671144, 1991342288]

約数ペア:

[(1, 1991342288), (2, 995671144), (4, 497835572), (8, 248917786), (13, 153180176), (16, 124458893), (26, 76590088), (31, 64236848), (52, 38295044), (53, 37572496), (62, 32118424), (104, 19147522), (106, 18786248), (124, 16059212), (208, 9573761), (212, 9393124), (248, 8029606), (403, 4941296), (424, 4696562), (496, 4014803), (689, 2890192), (806, 2470648), (848, 2348281), (1378, 1445096), (1612, 1235324), (1643, 1212016), (2756, 722548), (3224, 617662), (3286, 606008), (5512, 361274), (5827, 341744), (6448, 308831), (6572, 303004), (11024, 180637), (11654, 170872), (13144, 151502), (21359, 93232), (23308, 85436), (26288, 75751), (42718, 46616)]