256080916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17159}}^1$

素因数の和:17224

約数の個数: 48

約数和(自身を含む): 565044480

約数和(自身を除く): 308963564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 2132, 3731, 7462, 14924, 17159, 34318, 68636, 120113, 223067, 240226, 446134, 480452, 703519, 892268, 1407038, 1561469, 2814076, 3122938, 4924633, 6245876, 9145747, 9849266, 18291494, 19698532, 36582988, 64020229, 128040458, 256080916]

約数ペア:

[(1, 256080916), (2, 128040458), (4, 64020229), (7, 36582988), (13, 19698532), (14, 18291494), (26, 9849266), (28, 9145747), (41, 6245876), (52, 4924633), (82, 3122938), (91, 2814076), (164, 1561469), (182, 1407038), (287, 892268), (364, 703519), (533, 480452), (574, 446134), (1066, 240226), (1148, 223067), (2132, 120113), (3731, 68636), (7462, 34318), (14924, 17159)]