257942376

素因数分解:

$2^3\times 3^2\times {\mathrm{181}}^1\times {\mathrm{19793}}^1$

素因数の和:19986

約数の個数: 48

約数和(自身を含む): 702489060

約数和(自身を除く): 444546684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 181, 362, 543, 724, 1086, 1448, 1629, 2172, 3258, 4344, 6516, 13032, 19793, 39586, 59379, 79172, 118758, 158344, 178137, 237516, 356274, 475032, 712548, 1425096, 3582533, 7165066, 10747599, 14330132, 21495198, 28660264, 32242797, 42990396, 64485594, 85980792, 128971188, 257942376]

約数ペア:

[(1, 257942376), (2, 128971188), (3, 85980792), (4, 64485594), (6, 42990396), (8, 32242797), (9, 28660264), (12, 21495198), (18, 14330132), (24, 10747599), (36, 7165066), (72, 3582533), (181, 1425096), (362, 712548), (543, 475032), (724, 356274), (1086, 237516), (1448, 178137), (1629, 158344), (2172, 118758), (3258, 79172), (4344, 59379), (6516, 39586), (13032, 19793)]