254003778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{28393}}^1$

素因数の和:28479

約数の個数: 48

約数和(自身を含む): 637842816

約数和(自身を除く): 383839038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2982, 4473, 8946, 28393, 56786, 85179, 170358, 198751, 255537, 397502, 511074, 596253, 1192506, 1788759, 2015903, 3577518, 4031806, 6047709, 12095418, 14111321, 18143127, 28222642, 36286254, 42333963, 84667926, 127001889, 254003778]

約数ペア:

[(1, 254003778), (2, 127001889), (3, 84667926), (6, 42333963), (7, 36286254), (9, 28222642), (14, 18143127), (18, 14111321), (21, 12095418), (42, 6047709), (63, 4031806), (71, 3577518), (126, 2015903), (142, 1788759), (213, 1192506), (426, 596253), (497, 511074), (639, 397502), (994, 255537), (1278, 198751), (1491, 170358), (2982, 85179), (4473, 56786), (8946, 28393)]