319777616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{19273}}^1$

素因数の和:19359

約数の個数: 40

約数和(自身を含む): 666803304

約数和(自身を除く): 347025688

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 2074, 4148, 8296, 16592, 19273, 38546, 77092, 154184, 308368, 327641, 655282, 1175653, 1310564, 2351306, 2621128, 4702612, 5242256, 9405224, 18810448, 19986101, 39972202, 79944404, 159888808, 319777616]

約数ペア:

[(1, 319777616), (2, 159888808), (4, 79944404), (8, 39972202), (16, 19986101), (17, 18810448), (34, 9405224), (61, 5242256), (68, 4702612), (122, 2621128), (136, 2351306), (244, 1310564), (272, 1175653), (488, 655282), (976, 327641), (1037, 308368), (2074, 154184), (4148, 77092), (8296, 38546), (16592, 19273)]