25016996

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 49694400

約数和(自身を除く): 24677404

約数列:

[1, 2, 4, 17, 19, 34, 38, 67, 68, 76, 134, 268, 289, 323, 578, 646, 1139, 1156, 1273, 1292, 2278, 2546, 4556, 4913, 5092, 5491, 9826, 10982, 19363, 19652, 21641, 21964, 38726, 43282, 77452, 86564, 93347, 186694, 329171, 367897, 373388, 658342, 735794, 1316684, 1471588, 6254249, 12508498, 25016996]

約数ペア:

[(1, 25016996), (2, 12508498), (4, 6254249), (17, 1471588), (19, 1316684), (34, 735794), (38, 658342), (67, 373388), (68, 367897), (76, 329171), (134, 186694), (268, 93347), (289, 86564), (323, 77452), (578, 43282), (646, 38726), (1139, 21964), (1156, 21641), (1273, 19652), (1292, 19363), (2278, 10982), (2546, 9826), (4556, 5491), (4913, 5092)]