90021148

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2803}}^1$

素因数の和:2882

約数の個数: 48

約数和(自身を含む): 190941184

約数和(自身を除く): 100920036

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 1036, 1147, 2294, 2803, 4588, 5606, 8029, 11212, 16058, 19621, 32116, 39242, 78484, 86893, 103711, 173786, 207422, 347572, 414844, 608251, 725977, 1216502, 1451954, 2433004, 2903908, 3215041, 6430082, 12860164, 22505287, 45010574, 90021148]

約数ペア:

[(1, 90021148), (2, 45010574), (4, 22505287), (7, 12860164), (14, 6430082), (28, 3215041), (31, 2903908), (37, 2433004), (62, 1451954), (74, 1216502), (124, 725977), (148, 608251), (217, 414844), (259, 347572), (434, 207422), (518, 173786), (868, 103711), (1036, 86893), (1147, 78484), (2294, 39242), (2803, 32116), (4588, 19621), (5606, 16058), (8029, 11212)]