2019905195

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{32587}}^1$

素因数の和:32640

約数の個数: 48

約数和(自身を含む): 3209787648

約数和(自身を除く): 1189882453

約数列:

[1, 5, 7, 11, 23, 35, 49, 55, 77, 115, 161, 245, 253, 385, 539, 805, 1127, 1265, 1771, 2695, 5635, 8855, 12397, 32587, 61985, 162935, 228109, 358457, 749501, 1140545, 1596763, 1792285, 2509199, 3747505, 5246507, 7983815, 8244511, 12545995, 17564393, 26232535, 36725549, 41222555, 57711577, 87821965, 183627745, 288557885, 403981039, 2019905195]

約数ペア:

[(1, 2019905195), (5, 403981039), (7, 288557885), (11, 183627745), (23, 87821965), (35, 57711577), (49, 41222555), (55, 36725549), (77, 26232535), (115, 17564393), (161, 12545995), (245, 8244511), (253, 7983815), (385, 5246507), (539, 3747505), (805, 2509199), (1127, 1792285), (1265, 1596763), (1771, 1140545), (2695, 749501), (5635, 358457), (8855, 228109), (12397, 162935), (32587, 61985)]