2011543768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{21467}}^1$

素因数の和:21556

約数の個数: 64

約数和(自身を含む): 4382048160

約数和(自身を除く): 2370504392

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 53, 68, 104, 106, 136, 212, 221, 424, 442, 689, 884, 901, 1378, 1768, 1802, 2756, 3604, 5512, 7208, 11713, 21467, 23426, 42934, 46852, 85868, 93704, 171736, 279071, 364939, 558142, 729878, 1116284, 1137751, 1459756, 2232568, 2275502, 2919512, 4551004, 4744207, 9102008, 9488414, 14790763, 18976828, 19341767, 29581526, 37953656, 38683534, 59163052, 77367068, 118326104, 154734136, 251442971, 502885942, 1005771884, 2011543768]

約数ペア:

[(1, 2011543768), (2, 1005771884), (4, 502885942), (8, 251442971), (13, 154734136), (17, 118326104), (26, 77367068), (34, 59163052), (52, 38683534), (53, 37953656), (68, 29581526), (104, 19341767), (106, 18976828), (136, 14790763), (212, 9488414), (221, 9102008), (424, 4744207), (442, 4551004), (689, 2919512), (884, 2275502), (901, 2232568), (1378, 1459756), (1768, 1137751), (1802, 1116284), (2756, 729878), (3604, 558142), (5512, 364939), (7208, 279071), (11713, 171736), (21467, 93704), (23426, 85868), (42934, 46852)]