257948838

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{292459}}^1$

素因数の和:292481

約数の個数: 36

約数和(自身を含む): 650138580

約数和(自身を除く): 392189742

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 292459, 584918, 877377, 1754754, 2047213, 2632131, 4094426, 5264262, 6141639, 12283278, 14330491, 18424917, 28660982, 36849834, 42991473, 85982946, 128974419, 257948838]

約数ペア:

[(1, 257948838), (2, 128974419), (3, 85982946), (6, 42991473), (7, 36849834), (9, 28660982), (14, 18424917), (18, 14330491), (21, 12283278), (42, 6141639), (49, 5264262), (63, 4094426), (98, 2632131), (126, 2047213), (147, 1754754), (294, 877377), (441, 584918), (882, 292459)]