260988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 752640

約数和(自身を除く): 491652

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 239, 273, 364, 478, 546, 717, 956, 1092, 1434, 1673, 2868, 3107, 3346, 5019, 6214, 6692, 9321, 10038, 12428, 18642, 20076, 21749, 37284, 43498, 65247, 86996, 130494, 260988]

約数ペア:

[(1, 260988), (2, 130494), (3, 86996), (4, 65247), (6, 43498), (7, 37284), (12, 21749), (13, 20076), (14, 18642), (21, 12428), (26, 10038), (28, 9321), (39, 6692), (42, 6214), (52, 5019), (78, 3346), (84, 3107), (91, 2868), (156, 1673), (182, 1434), (239, 1092), (273, 956), (364, 717), (478, 546)]