2890979988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{261013}}^1$

素因数の和:261104

約数の個数: 48

約数和(自身を含む): 7366859136

約数和(自身を除く): 4475879148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1846, 2769, 3692, 5538, 11076, 261013, 522026, 783039, 1044052, 1566078, 3132156, 3393169, 6786338, 10179507, 13572676, 18531923, 20359014, 37063846, 40718028, 55595769, 74127692, 111191538, 222383076, 240914999, 481829998, 722744997, 963659996, 1445489994, 2890979988]

約数ペア:

[(1, 2890979988), (2, 1445489994), (3, 963659996), (4, 722744997), (6, 481829998), (12, 240914999), (13, 222383076), (26, 111191538), (39, 74127692), (52, 55595769), (71, 40718028), (78, 37063846), (142, 20359014), (156, 18531923), (213, 13572676), (284, 10179507), (426, 6786338), (852, 3393169), (923, 3132156), (1846, 1566078), (2769, 1044052), (3692, 783039), (5538, 522026), (11076, 261013)]