81898112

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 175870440

約数和(自身を除く): 93972328

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 64, 68, 122, 128, 136, 244, 272, 488, 544, 617, 976, 1037, 1088, 1234, 1952, 2074, 2176, 2468, 3904, 4148, 4936, 7808, 8296, 9872, 10489, 16592, 19744, 20978, 33184, 37637, 39488, 41956, 66368, 75274, 78976, 83912, 132736, 150548, 167824, 301096, 335648, 602192, 639829, 671296, 1204384, 1279658, 1342592, 2408768, 2559316, 4817536, 5118632, 10237264, 20474528, 40949056, 81898112]

約数ペア:

[(1, 81898112), (2, 40949056), (4, 20474528), (8, 10237264), (16, 5118632), (17, 4817536), (32, 2559316), (34, 2408768), (61, 1342592), (64, 1279658), (68, 1204384), (122, 671296), (128, 639829), (136, 602192), (244, 335648), (272, 301096), (488, 167824), (544, 150548), (617, 132736), (976, 83912), (1037, 78976), (1088, 75274), (1234, 66368), (1952, 41956), (2074, 39488), (2176, 37637), (2468, 33184), (3904, 20978), (4148, 19744), (4936, 16592), (7808, 10489), (8296, 9872)]