261314910136

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2351}}^1\times {\mathrm{86297}}^1$

素因数の和:88684

約数の個数: 64

約数和(自身を含む): 584561940480

約数和(自身を除く): 323247030344

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 2351, 4702, 9404, 16457, 18808, 32914, 54073, 65828, 86297, 108146, 131656, 172594, 216292, 345188, 378511, 432584, 604079, 690376, 757022, 1208158, 1514044, 1984831, 2416316, 3028088, 3969662, 4832632, 7939324, 13893817, 15878648, 27787634, 55575268, 111150536, 202884247, 405768494, 811536988, 1420189729, 1623073976, 2840379458, 4666337681, 5680758916, 9332675362, 11361517832, 18665350724, 32664363767, 37330701448, 65328727534, 130657455068, 261314910136]

約数ペア:

[(1, 261314910136), (2, 130657455068), (4, 65328727534), (7, 37330701448), (8, 32664363767), (14, 18665350724), (23, 11361517832), (28, 9332675362), (46, 5680758916), (56, 4666337681), (92, 2840379458), (161, 1623073976), (184, 1420189729), (322, 811536988), (644, 405768494), (1288, 202884247), (2351, 111150536), (4702, 55575268), (9404, 27787634), (16457, 15878648), (18808, 13893817), (32914, 7939324), (54073, 4832632), (65828, 3969662), (86297, 3028088), (108146, 2416316), (131656, 1984831), (172594, 1514044), (216292, 1208158), (345188, 757022), (378511, 690376), (432584, 604079)]