1949005552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{3137}}^1$

素因数の和:3290

約数の個数: 80

約数和(自身を含む): 4249103040

約数和(自身を除く): 2300097488

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 103, 104, 116, 206, 208, 232, 377, 412, 464, 754, 824, 1339, 1508, 1648, 2678, 2987, 3016, 3137, 5356, 5974, 6032, 6274, 10712, 11948, 12548, 21424, 23896, 25096, 38831, 40781, 47792, 50192, 77662, 81562, 90973, 155324, 163124, 181946, 310648, 323111, 326248, 363892, 621296, 646222, 652496, 727784, 1182649, 1292444, 1455568, 2365298, 2584888, 4200443, 4730596, 5169776, 8400886, 9370219, 9461192, 16801772, 18740438, 18922384, 33603544, 37480876, 67207088, 74961752, 121812847, 149923504, 243625694, 487251388, 974502776, 1949005552]

約数ペア:

[(1, 1949005552), (2, 974502776), (4, 487251388), (8, 243625694), (13, 149923504), (16, 121812847), (26, 74961752), (29, 67207088), (52, 37480876), (58, 33603544), (103, 18922384), (104, 18740438), (116, 16801772), (206, 9461192), (208, 9370219), (232, 8400886), (377, 5169776), (412, 4730596), (464, 4200443), (754, 2584888), (824, 2365298), (1339, 1455568), (1508, 1292444), (1648, 1182649), (2678, 727784), (2987, 652496), (3016, 646222), (3137, 621296), (5356, 363892), (5974, 326248), (6032, 323111), (6274, 310648), (10712, 181946), (11948, 163124), (12548, 155324), (21424, 90973), (23896, 81562), (25096, 77662), (38831, 50192), (40781, 47792)]