138640432

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 321820672

約数和(自身を除く): 183180240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 73, 112, 124, 146, 217, 248, 292, 434, 496, 511, 547, 584, 868, 1022, 1094, 1168, 1736, 2044, 2188, 2263, 3472, 3829, 4088, 4376, 4526, 7658, 8176, 8752, 9052, 15316, 15841, 16957, 18104, 30632, 31682, 33914, 36208, 39931, 61264, 63364, 67828, 79862, 118699, 126728, 135656, 159724, 237398, 253456, 271312, 279517, 319448, 474796, 559034, 638896, 949592, 1118068, 1237861, 1899184, 2236136, 2475722, 4472272, 4951444, 8665027, 9902888, 17330054, 19805776, 34660108, 69320216, 138640432]

約数ペア:

[(1, 138640432), (2, 69320216), (4, 34660108), (7, 19805776), (8, 17330054), (14, 9902888), (16, 8665027), (28, 4951444), (31, 4472272), (56, 2475722), (62, 2236136), (73, 1899184), (112, 1237861), (124, 1118068), (146, 949592), (217, 638896), (248, 559034), (292, 474796), (434, 319448), (496, 279517), (511, 271312), (547, 253456), (584, 237398), (868, 159724), (1022, 135656), (1094, 126728), (1168, 118699), (1736, 79862), (2044, 67828), (2188, 63364), (2263, 61264), (3472, 39931), (3829, 36208), (4088, 33914), (4376, 31682), (4526, 30632), (7658, 18104), (8176, 16957), (8752, 15841), (9052, 15316)]