189816445

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 290325168

約数和(自身を除く): 100508723

約数列:

[1, 5, 7, 13, 35, 49, 61, 65, 91, 245, 305, 427, 455, 637, 793, 977, 2135, 2989, 3185, 3965, 4885, 5551, 6839, 12701, 14945, 27755, 34195, 38857, 47873, 59597, 63505, 88907, 194285, 239365, 297985, 417179, 444535, 622349, 774761, 2085895, 2920253, 3111745, 3873805, 5423327, 14601265, 27116635, 37963289, 189816445]

約数ペア:

[(1, 189816445), (5, 37963289), (7, 27116635), (13, 14601265), (35, 5423327), (49, 3873805), (61, 3111745), (65, 2920253), (91, 2085895), (245, 774761), (305, 622349), (427, 444535), (455, 417179), (637, 297985), (793, 239365), (977, 194285), (2135, 88907), (2989, 63505), (3185, 59597), (3965, 47873), (4885, 38857), (5551, 34195), (6839, 27755), (12701, 14945)]