2489888

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 5443200

約数和(自身を除く): 2953312

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 199, 272, 368, 391, 398, 544, 736, 782, 796, 1564, 1592, 3128, 3184, 3383, 4577, 6256, 6368, 6766, 9154, 12512, 13532, 18308, 27064, 36616, 54128, 73232, 77809, 108256, 146464, 155618, 311236, 622472, 1244944, 2489888]

約数ペア:

[(1, 2489888), (2, 1244944), (4, 622472), (8, 311236), (16, 155618), (17, 146464), (23, 108256), (32, 77809), (34, 73232), (46, 54128), (68, 36616), (92, 27064), (136, 18308), (184, 13532), (199, 12512), (272, 9154), (368, 6766), (391, 6368), (398, 6256), (544, 4577), (736, 3383), (782, 3184), (796, 3128), (1564, 1592)]