890809535

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 1373912064

約数和(自身を除く): 483102529

約数列:

[1, 5, 7, 11, 35, 55, 61, 77, 83, 305, 385, 415, 427, 457, 581, 671, 913, 2135, 2285, 2905, 3199, 3355, 4565, 4697, 5027, 5063, 6391, 15995, 23485, 25135, 25315, 27877, 31955, 35189, 35441, 37931, 55693, 139385, 175945, 177205, 189655, 195139, 265517, 278465, 306647, 389851, 417241, 975695, 1327585, 1533235, 1949255, 2086205, 2146529, 2313791, 2920687, 10732645, 11568955, 14603435, 16196537, 25451701, 80982685, 127258505, 178161907, 890809535]

約数ペア:

[(1, 890809535), (5, 178161907), (7, 127258505), (11, 80982685), (35, 25451701), (55, 16196537), (61, 14603435), (77, 11568955), (83, 10732645), (305, 2920687), (385, 2313791), (415, 2146529), (427, 2086205), (457, 1949255), (581, 1533235), (671, 1327585), (913, 975695), (2135, 417241), (2285, 389851), (2905, 306647), (3199, 278465), (3355, 265517), (4565, 195139), (4697, 189655), (5027, 177205), (5063, 175945), (6391, 139385), (15995, 55693), (23485, 37931), (25135, 35441), (25315, 35189), (27877, 31955)]