138953416

素因数分解:

$2^3\times 7^3\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 308160000

約数和(自身を除く): 169206584

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 343, 392, 553, 632, 641, 686, 1106, 1282, 1372, 2212, 2564, 2744, 3871, 4424, 4487, 5128, 7742, 8974, 15484, 17948, 27097, 30968, 31409, 35896, 50639, 54194, 62818, 101278, 108388, 125636, 202556, 216776, 219863, 251272, 354473, 405112, 439726, 708946, 879452, 1417892, 1758904, 2481311, 2835784, 4962622, 9925244, 17369177, 19850488, 34738354, 69476708, 138953416]

約数ペア:

[(1, 138953416), (2, 69476708), (4, 34738354), (7, 19850488), (8, 17369177), (14, 9925244), (28, 4962622), (49, 2835784), (56, 2481311), (79, 1758904), (98, 1417892), (158, 879452), (196, 708946), (316, 439726), (343, 405112), (392, 354473), (553, 251272), (632, 219863), (641, 216776), (686, 202556), (1106, 125636), (1282, 108388), (1372, 101278), (2212, 62818), (2564, 54194), (2744, 50639), (3871, 35896), (4424, 31409), (4487, 30968), (5128, 27097), (7742, 17948), (8974, 15484)]