221511892

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 451584000

約数和(自身を除く): 230072108

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 239, 316, 419, 478, 553, 838, 956, 1106, 1673, 1676, 2212, 2933, 3346, 5866, 6692, 11732, 18881, 33101, 37762, 66202, 75524, 100141, 132167, 132404, 200282, 231707, 264334, 400564, 463414, 528668, 700987, 926828, 1401974, 2803948, 7911139, 15822278, 31644556, 55377973, 110755946, 221511892]

約数ペア:

[(1, 221511892), (2, 110755946), (4, 55377973), (7, 31644556), (14, 15822278), (28, 7911139), (79, 2803948), (158, 1401974), (239, 926828), (316, 700987), (419, 528668), (478, 463414), (553, 400564), (838, 264334), (956, 231707), (1106, 200282), (1673, 132404), (1676, 132167), (2212, 100141), (2933, 75524), (3346, 66202), (5866, 37762), (6692, 33101), (11732, 18881)]