261941056

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 112

約数和(自身を含む): 588077056

約数和(自身を除く): 326136000

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 67, 74, 104, 127, 134, 148, 208, 254, 268, 296, 416, 481, 508, 536, 592, 832, 871, 962, 1016, 1072, 1184, 1651, 1742, 1924, 2032, 2144, 2368, 2479, 3302, 3484, 3848, 4064, 4288, 4699, 4958, 6604, 6968, 7696, 8128, 8509, 9398, 9916, 13208, 13936, 15392, 17018, 18796, 19832, 26416, 27872, 30784, 32227, 34036, 37592, 39664, 52832, 55744, 61087, 64454, 68072, 75184, 79328, 105664, 110617, 122174, 128908, 136144, 150368, 158656, 221234, 244348, 257816, 272288, 300736, 314833, 442468, 488696, 515632, 544576, 629666, 884936, 977392, 1031264, 1259332, 1769872, 1954784, 2062528, 2518664, 3539744, 3909568, 4092829, 5037328, 7079488, 8185658, 10074656, 16371316, 20149312, 32742632, 65485264, 130970528, 261941056]

約数ペア:

[(1, 261941056), (2, 130970528), (4, 65485264), (8, 32742632), (13, 20149312), (16, 16371316), (26, 10074656), (32, 8185658), (37, 7079488), (52, 5037328), (64, 4092829), (67, 3909568), (74, 3539744), (104, 2518664), (127, 2062528), (134, 1954784), (148, 1769872), (208, 1259332), (254, 1031264), (268, 977392), (296, 884936), (416, 629666), (481, 544576), (508, 515632), (536, 488696), (592, 442468), (832, 314833), (871, 300736), (962, 272288), (1016, 257816), (1072, 244348), (1184, 221234), (1651, 158656), (1742, 150368), (1924, 136144), (2032, 128908), (2144, 122174), (2368, 110617), (2479, 105664), (3302, 79328), (3484, 75184), (3848, 68072), (4064, 64454), (4288, 61087), (4699, 55744), (4958, 52832), (6604, 39664), (6968, 37592), (7696, 34036), (8128, 32227), (8509, 30784), (9398, 27872), (9916, 26416), (13208, 19832), (13936, 18796), (15392, 17018)]