198112754

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 371589120

約数和(自身を除く): 173476366

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 89, 161, 178, 217, 223, 322, 434, 446, 623, 713, 1246, 1426, 1561, 2047, 2759, 3122, 4094, 4991, 5129, 5518, 6913, 9982, 10258, 13826, 14329, 19313, 19847, 28658, 35903, 38626, 39694, 48391, 63457, 71806, 96782, 126914, 138929, 158999, 277858, 317998, 444199, 456481, 615257, 888398, 912962, 1112993, 1230514, 2225986, 3195367, 4306799, 6390734, 8613598, 14150911, 28301822, 99056377, 198112754]

約数ペア:

[(1, 198112754), (2, 99056377), (7, 28301822), (14, 14150911), (23, 8613598), (31, 6390734), (46, 4306799), (62, 3195367), (89, 2225986), (161, 1230514), (178, 1112993), (217, 912962), (223, 888398), (322, 615257), (434, 456481), (446, 444199), (623, 317998), (713, 277858), (1246, 158999), (1426, 138929), (1561, 126914), (2047, 96782), (2759, 71806), (3122, 63457), (4094, 48391), (4991, 39694), (5129, 38626), (5518, 35903), (6913, 28658), (9982, 19847), (10258, 19313), (13826, 14329)]