278579392

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1606

約数の個数: 112

約数和(自身を含む): 702779392

約数和(自身を除く): 424200000

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 728, 806, 832, 868, 992, 1456, 1543, 1612, 1736, 1984, 2821, 2912, 3086, 3224, 3472, 5642, 5824, 6172, 6448, 6944, 10801, 11284, 12344, 12896, 13888, 20059, 21602, 22568, 24688, 25792, 40118, 43204, 45136, 47833, 49376, 80236, 86408, 90272, 95666, 98752, 140413, 160472, 172816, 180544, 191332, 280826, 320944, 334831, 345632, 382664, 561652, 621829, 641888, 669662, 691264, 765328, 1123304, 1243658, 1283776, 1339324, 1530656, 2246608, 2487316, 2678648, 3061312, 4352803, 4493216, 4974632, 5357296, 8705606, 8986432, 9949264, 10714592, 17411212, 19898528, 21429184, 34822424, 39797056, 69644848, 139289696, 278579392]

約数ペア:

[(1, 278579392), (2, 139289696), (4, 69644848), (7, 39797056), (8, 34822424), (13, 21429184), (14, 19898528), (16, 17411212), (26, 10714592), (28, 9949264), (31, 8986432), (32, 8705606), (52, 5357296), (56, 4974632), (62, 4493216), (64, 4352803), (91, 3061312), (104, 2678648), (112, 2487316), (124, 2246608), (182, 1530656), (208, 1339324), (217, 1283776), (224, 1243658), (248, 1123304), (364, 765328), (403, 691264), (416, 669662), (434, 641888), (448, 621829), (496, 561652), (728, 382664), (806, 345632), (832, 334831), (868, 320944), (992, 280826), (1456, 191332), (1543, 180544), (1612, 172816), (1736, 160472), (1984, 140413), (2821, 98752), (2912, 95666), (3086, 90272), (3224, 86408), (3472, 80236), (5642, 49376), (5824, 47833), (6172, 45136), (6448, 43204), (6944, 40118), (10801, 25792), (11284, 24688), (12344, 22568), (12896, 21602), (13888, 20059)]