260889616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{829}}^1$

素因数の和:956

約数の個数: 80

約数和(自身を含む): 583556400

約数和(自身を除く): 322666784

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 89, 104, 136, 178, 208, 221, 272, 356, 442, 712, 829, 884, 1157, 1424, 1513, 1658, 1768, 2314, 3026, 3316, 3536, 4628, 6052, 6632, 9256, 10777, 12104, 13264, 14093, 18512, 19669, 21554, 24208, 28186, 39338, 43108, 56372, 73781, 78676, 86216, 112744, 147562, 157352, 172432, 183209, 225488, 295124, 314704, 366418, 590248, 732836, 959153, 1180496, 1254277, 1465672, 1918306, 2508554, 2931344, 3836612, 5017108, 7673224, 10034216, 15346448, 16305601, 20068432, 32611202, 65222404, 130444808, 260889616]

約数ペア:

[(1, 260889616), (2, 130444808), (4, 65222404), (8, 32611202), (13, 20068432), (16, 16305601), (17, 15346448), (26, 10034216), (34, 7673224), (52, 5017108), (68, 3836612), (89, 2931344), (104, 2508554), (136, 1918306), (178, 1465672), (208, 1254277), (221, 1180496), (272, 959153), (356, 732836), (442, 590248), (712, 366418), (829, 314704), (884, 295124), (1157, 225488), (1424, 183209), (1513, 172432), (1658, 157352), (1768, 147562), (2314, 112744), (3026, 86216), (3316, 78676), (3536, 73781), (4628, 56372), (6052, 43108), (6632, 39338), (9256, 28186), (10777, 24208), (12104, 21554), (13264, 19669), (14093, 18512)]