25877715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 21123885

約数列:

[1, 3, 5, 15, 19, 29, 31, 57, 87, 93, 95, 101, 145, 155, 285, 303, 435, 465, 505, 551, 589, 899, 1515, 1653, 1767, 1919, 2697, 2755, 2929, 2945, 3131, 4495, 5757, 8265, 8787, 8835, 9393, 9595, 13485, 14645, 15655, 17081, 28785, 43935, 46965, 51243, 55651, 59489, 85405, 90799, 166953, 178467, 256215, 272397, 278255, 297445, 453995, 834765, 892335, 1361985, 1725181, 5175543, 8625905, 25877715]

約数ペア:

[(1, 25877715), (3, 8625905), (5, 5175543), (15, 1725181), (19, 1361985), (29, 892335), (31, 834765), (57, 453995), (87, 297445), (93, 278255), (95, 272397), (101, 256215), (145, 178467), (155, 166953), (285, 90799), (303, 85405), (435, 59489), (465, 55651), (505, 51243), (551, 46965), (589, 43935), (899, 28785), (1515, 17081), (1653, 15655), (1767, 14645), (1919, 13485), (2697, 9595), (2755, 9393), (2929, 8835), (2945, 8787), (3131, 8265), (4495, 5757)]