251017488

素因数分解:

$2^4\times 3^3\times {\mathrm{43}}^1\times {\mathrm{13513}}^1$

素因数の和:13573

約数の個数: 80

約数和(自身を含む): 737323840

約数和(自身を除く): 486306352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 86, 108, 129, 144, 172, 216, 258, 344, 387, 432, 516, 688, 774, 1032, 1161, 1548, 2064, 2322, 3096, 4644, 6192, 9288, 13513, 18576, 27026, 40539, 54052, 81078, 108104, 121617, 162156, 216208, 243234, 324312, 364851, 486468, 581059, 648624, 729702, 972936, 1162118, 1459404, 1743177, 1945872, 2324236, 2918808, 3486354, 4648472, 5229531, 5837616, 6972708, 9296944, 10459062, 13945416, 15688593, 20918124, 27890832, 31377186, 41836248, 62754372, 83672496, 125508744, 251017488]

約数ペア:

[(1, 251017488), (2, 125508744), (3, 83672496), (4, 62754372), (6, 41836248), (8, 31377186), (9, 27890832), (12, 20918124), (16, 15688593), (18, 13945416), (24, 10459062), (27, 9296944), (36, 6972708), (43, 5837616), (48, 5229531), (54, 4648472), (72, 3486354), (86, 2918808), (108, 2324236), (129, 1945872), (144, 1743177), (172, 1459404), (216, 1162118), (258, 972936), (344, 729702), (387, 648624), (432, 581059), (516, 486468), (688, 364851), (774, 324312), (1032, 243234), (1161, 216208), (1548, 162156), (2064, 121617), (2322, 108104), (3096, 81078), (4644, 54052), (6192, 40539), (9288, 27026), (13513, 18576)]