649124

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 1317120

約数和(自身を除く): 667996

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 239, 388, 478, 679, 956, 1358, 1673, 2716, 3346, 6692, 23183, 46366, 92732, 162281, 324562, 649124]

約数ペア:

[(1, 649124), (2, 324562), (4, 162281), (7, 92732), (14, 46366), (28, 23183), (97, 6692), (194, 3346), (239, 2716), (388, 1673), (478, 1358), (679, 956)]