131719252

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 284981760

約数和(自身を除く): 153262508

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 61, 92, 98, 122, 161, 196, 244, 322, 427, 479, 644, 854, 958, 1127, 1403, 1708, 1916, 2254, 2806, 2989, 3353, 4508, 5612, 5978, 6706, 9821, 11017, 11956, 13412, 19642, 22034, 23471, 29219, 39284, 44068, 46942, 58438, 68747, 77119, 93884, 116876, 137494, 154238, 204533, 274988, 308476, 409066, 539833, 672037, 818132, 1079666, 1344074, 1431731, 2159332, 2688148, 2863462, 4704259, 5726924, 9408518, 18817036, 32929813, 65859626, 131719252]

約数ペア:

[(1, 131719252), (2, 65859626), (4, 32929813), (7, 18817036), (14, 9408518), (23, 5726924), (28, 4704259), (46, 2863462), (49, 2688148), (61, 2159332), (92, 1431731), (98, 1344074), (122, 1079666), (161, 818132), (196, 672037), (244, 539833), (322, 409066), (427, 308476), (479, 274988), (644, 204533), (854, 154238), (958, 137494), (1127, 116876), (1403, 93884), (1708, 77119), (1916, 68747), (2254, 58438), (2806, 46942), (2989, 44068), (3353, 39284), (4508, 29219), (5612, 23471), (5978, 22034), (6706, 19642), (9821, 13412), (11017, 11956)]